Free Printable STAAR Questions 8th

1.

Which table shows y as a function of x?

a)

b)

c)

d)

2.

Mr. Huang has already driven 150 miles and he will drive 65 miles each hour until he reaches his destination. Which equation represents the relationship between h, the number of hours Mr. Huang has driven, and m, the total number of miles he has driven?

a)

m = 65h - 150

b)

m = 65h + 150

c)

m = 150h + 65

d)

m = 150h - 65

3.

A developer is subdividing land into tots to be sold as home sites. Since some customers ask how many trees a jot may have on it, the developer has recorded the number of large trees found on several different-sized lots. The data is shown here.

What is the closest estimate of large trees likely to be found on a 6 acre lot?

a)

75

b)

40

c)

55

d)

80

4.

Which of the following could represent the unit side lengths of a right triangle?

a)

3, 4, 6

b)

10, 11, 15

c)

5, 12, 13

d)

8, 12, 20

5.

Video Store A charges a $15.00 account set up fee and $1.75 per movie rental. Video Store B charges a $7.50 account set up fee and $2.25 per movie rental. What number of movie rentals will make the total cost of renting movies from Video Store A equal to the total cost of renting movies from Video Store B?

(a)

6.

Which of the following could represent the unit side lengths of a right triangle?

a)

3, 5, 6

b)

7, 12, 15

c)

2, 6, 8

d)

9, 40, 41

7.

Video Store A charges a $19.00 account set up fee and $1.90 per movie rental. Video Store B charges a $11.20 account set up fee and $2.50 per movie rental. What number of movie rentals will make the total cost of renting movies from Video Store A equal to the total cost of renting movies from Video Store B?

(a)

8.

Triangle DEF with vertices D (2, 1), E (3, 5), and F (6,2) is reflected across the x-axis to make triangle D'E'F'. Which rule represents this transformation?

a)

(x, y) $\rightarrow$ (x, -y)

b)

(x, y) $\rightarrow$ (-x, y)

c)

(x, y) $\rightarrow$ (y, -x)

d)

(x, y) $\rightarrow$ (-y, x)

9.

Triangle DEF with vertices D (-2 , -1), E (-3 , -5), a n d F (-6 , -2) is reflected across the y-axis to make triangle D'E'F'.

a)

(x, y) $\rightarrow$ (x, -y)

b)

(x, y) $\rightarrow$ (-x, y)

c)

(x, y) $\rightarrow$ (y, -x)

d)

(x, y) $\rightarrow$ (-y, x)

10.

Triangle G is dilated about the origin to make smaller Triangle H.

Which rule best represents the dilation applied to Triangle G to make Triangle H?

a)

$\left(x,\ y\right)\rightarrow\ \left(x+3,\ y+3\right)$

b)

$\left(x,\ y\right)\ \rightarrow\ \left(\frac{2}{5}x,\ \frac{2}{5}y\right)$

c)

$\left(x,\ y\right)\ \rightarrow\ \left(x-3,\ y-3\right)$

d)

$\left(x,\ y\right)\ \rightarrow\ \left(\ \frac{5}{2}x,\ \frac{5}{2}y\right)$

11.

Which of these equations shows a proportional relationship between x and y?

a)

$y=-\frac{1}{3}x$

b)

$y=-x+1$

c)

$y=\frac{3}{2}x+\frac{3}{2}$

d)

$y=2x-4$

12.

Triangle S is dilated about the origin to make larger Triangle T. Which rule best represents the dilation applied to Triangle S to make Triangle T?

a)

$\left(x,\ y\right)\ \rightarrow\ \left(x-5,\ y-5\right)$

b)

$\left(x,\ y\right)\ \rightarrow\ \left(x+2\ \frac{1}{2},\ y-2\ \frac{1}{2}\right)$

c)

$\left(x,\ y\right)\ \rightarrow\ \left(2x,\ 2y\right)$

d)

$\left(x,\ y\right)\rightarrow\ \left(\frac{5}{2}x,\ \frac{5}{2}y\right)$

13.

A linear function is shown on the graph. What is the slope of this graphed line?

(a)

14.

In one month, four corn plants increased in height at the rates listed here.

0.77 , $\frac{5}{7}$ , 74%, $\frac{6}{8}$

a)

74%, $\frac{5}{7}$ , 0.77, $\frac{6}{8}$

b)

$\frac{6}{8}$ , 0.77, $\frac{5}{7}$ , 74%

c)

$\frac{5}{7}$ , 74%, $\frac{6}{8}$ , 0.77

d)

0.77, $\frac{6}{8}$ , 74%, $\frac{5}{7}$

15.

Which table shows y as a function of x?

a)

b)

c)

d)

16.

In one month, four corn plants increased in height at the rates listed here.

115%, $\frac{15}{10}$ , $\frac{6}{5}$ , $1\ \frac{1}{10}$

Which lists these rates in order from greatest to least?

a)

115%, $1\ \frac{1}{10}$ , $\frac{15}{10}$ , $\frac{6}{5}$

b)

115%, $\frac{15}{10}$ , $\frac{6}{5}$ , $1\ \frac{1}{10}$

c)

$\frac{15}{10}$ , $\frac{6}{5}$ , $1\ \frac{1}{10}$ , 115%

d)

$\frac{15}{10}$ , $\frac{6}{5}$ , 115% , $1\ \frac{1}{10}$

17.

After providing the class with the top surface area of a circular table in square inches, a teacher asked students to estimate the radius of the table given this information. Three of the estimates were, $8\sqrt[]{10}in\ ,\ 25\ \frac{1}{8}in,\ and\ 25.4\ in$ . Which of these shows the radius estimates in order from least to greatest?

a)

$25\ \frac{1}{8}in,\ 25.4\ in,\ 8\sqrt[]{10}in$

b)

$25\ \frac{1}{8}in,\ 8\sqrt[]{10}in,\ 25.4\ in,\$

c)

$8\sqrt[]{10}in,\ 25\ \frac{1}{8}in,\ 25.4\ in$

d)

$8\sqrt[]{10}in,\ 25.4\ in,\ 25\ \frac{1}{8}\ in$

18.

Which graph represents y as a function of x?

a)

b)

c)

d)

19.

The number of lesson objectives completed by six students taking a self-paced online class are listed below.

16, 31, 21, 37, 24, 26

What is the mean absolute deviation of these listed numbers?

a)

5.5

b)

25.8

c)

6.7

d)

25

20.

Rectangle JKLM is translated 3 units to the left and 4 units up. Which rule represents the translation applies to rectangle JKLM to make rectangle J'K'L'M'?

a)

$\left(x,\ y\right)\ \rightarrow\ \left(-3x,\ 4y\right)$

b)

$\left(x,\ y\right)\ \rightarrow\ \left(x-3,\ y+4\right)$

c)

$\left(x,\ y\right)\ \rightarrow\ \left(3x,\ -4y\right)$

d)

$\left(x,\ y\right)\ \rightarrow\ \left(x+3,\ y-4\right)$

21.

Rectangle PQRS is dilated about the origin to make rectangle P'Q'R'S' as shown. Which rule best represents the dilation that is applied to rectangle PQRS to create rectangle P'Q'R'S'?

a)

(x, y) $\rightarrow$ (2x, 2y)

b)

(x, y) $\rightarrow$ (3.5x, 3.5y)

c)

(x, y) $\rightarrow$ (2.5x, 2.5y)

d)

(x, y) $\rightarrow$ (1.5x, 1.5y)

22.

If the measure of two angles are congruent where the first angle is (11x - 4)° and the second angle is (7x + 5)°, what is the value of x?

a)

2.25

b)

-2

c)

0.5

d)

-0.25

23.

A linear function is graphed below. What is the y-intercept of this graphed line?

(a)

24.

Which of the following could represent the unit side lengths of a right triangle?

a)

8, 8, 16

b)

2, 4, 5

c)

12, 24, 36

d)

8, 15, 17

25.

Rectangle PQRS is dilated about the origin to make rectangle P'Q'R'S' as shown.

Which rule best represents the dilation that is applied to rectangle PQRS to create rectangle P'Q'R'S'?

a)

(x, y) $\rightarrow$ (1.25x, 1.25y)

b)

(x, y) $\rightarrow$ (0.75x, 0.75y)

c)

(x, y) $\rightarrow$ (1.5x, 1.5 y)

d)

(x, y) $\rightarrow$ (0.33x, 0.33y)

26.

If the measure of two angles are congruent where the first angle is (5x + 8)° and the second angle is (10x - 13)°, what is the value of x?

a)

-0.3

b)

1.4

c)

-1

d)

4.2

27.

A linear function is graphed. What is the y-intercept of this graphed line?

(a)

28.

Which of the following could represent the unit side lengths of a right triangle?

a)

11, 60, 61

b)

10, 25, 26

c)

11, 11, 22

d)

2, 4, 5

29.

The scatterplot shows the amount of time 12 student mathletes spend each school day using their personal electronic devices compared to their time spent at practice.

Based on the data, how many hours would a student likely spend using their electronic devices if they spend 3 hours at practice?

a)

1

b)

1.5

c)

0

d)

2

30.

Which graph shows only corresponding x-values and y-values where the value of y is 2 more than the product of x and 0.5

a)

b)

c)

d)

31.

Which set of ordered pairs represents y as a function of x?

a)

{ (-4, -3), (-4, -2), (-3, -3), (-3, -2) }

b)

{ (2, 0), (4, 0), (4, 2), (6, 2) }

c)

{ (6, -2), (6, 0), (6, 2), (6, 4) }

d)

{ (0,0), (2, -4), (4, -8), (6, -12) }

32.

The scatterplot shows the amount of time 12 student athletes spend each school day using their personal electronic devices compared to their time spent at practice.

How many minutes would a student likely spend using their electronic devices if they spend 120 minutes at practice?

a)

90

b)

75

c)

15

d)

45

33.

Which set of ordered pairs represents y as a function of x?

a)

{ (4, 2), (4, 3), (5, 2), (5, 3) }

b)

{ (0, 2), (1, 1), (1, 3), (2, 3) }

c)

{ (-3, 5), (-1, -3), (1, -3), (3, 5) }

d)

{ (5, -4), (5, -2), (5, 2), (5, 4) }

34.

Aside view of a recycling bin lid is diagrammed below where two panels come together at a right angle.

Given this information, how wide is the recycling bin in inches?

(a)

35.

Jorge deposited $5,000 into an account that pays 3% compound annual interest. If no additional deposits or withdrawals are made, which of the following is closest to total amount of interest Jorge’s account will earn at the end of 4 years?

a)

$600.00

b)

$624.32

c)

$627.54

d)

$652.38

36.

On which number line does point Q best represent the approximate value of $\sqrt[]{27}$ ?

a)

b)

c)

d)

37.

Quadrilateral ABCD is dilated about the origin to make quadrilateral A'B'C'D'.

The side lengths of quadrilateral ABCD and the corresponding side lengths of A'B'C'D' can best be described as —

a)

proportional

b)

congruent

c)

equivalent

d)

perpendicular

38.

Aside view of a recycling bin lid is diagrammed where two panels come together at a right angle. Given this information, how wide is the recycling bin in centimeters?

(a)

39.

On which number line does point S best represent the approximate value of $\sqrt[]{50}$ ?

a)

b)

c)

d)

40.

Jorge deposited $6,000 into an account that pays 2.5% annual simple interest. If no additional deposits or withdrawals are made, which of the following is closest to total amount of interest Jorge’s account will earn at the end of 5 years?

a)

$788.45

b)

$750.00

c)

$775.00

d)

$778.36

41.

Quadrilateral ABCD is dilated about the origin to make quadrilateral A'B'C'D'. The side lengths of quadrilateral ABCD and the corresponding side lengths of A'B'C'D' can best be described as —

a)

congruent

b)

proportional

c)

perpendicular

d)

equivalent

42.

Graphic L is dilated about the origin to make Graphic S. Which rule best represents the dilation applied to Graphic L to make Graphic S?

a)

(x, y) $\rightarrow$ (2x, 2y)

b)

(x, y) $\rightarrow$ ( $\frac{1}{2}x,\ \frac{1}{2}y$ )

c)

(x, y) $\rightarrow$ (3x, 3y)

d)

(x, y) $\rightarrow$ ( $\frac{1}{3}x,\ \frac{1}{3}y$ )

43.

A cosmetic container in the shape of a cylinder has a diameter of 6 centimeters and a height of 3.5 centimeters. Which is closest to the volume of the container?

a)

21 cm³

b)

98.96 cm³

c)

113.19 cm³

d)

395.8 cm³

44.

Graphic S is dilated about the origin to make larger Graphic L. Which rule best represents the dilation applied to Graphic S to make Graphic L?

a)

(x, y) $\rightarrow$ (x+3, y+ 4.5)

b)

(x, y) $\rightarrow$ ( $\frac{4}{3}x,\ \frac{4}{3}y$ )

c)

(x, y) $\rightarrow$ (4x, 4y)

d)

(x, y) $\rightarrow$ ( $\frac{2}{3}x,\ \frac{2}{3}y$ )

45.

Beatriz burned wood pellets in her slow cooking smoker at a constant rate of 0.75 pounds per hour. Which table values could represent the pounds of pellets burned, y, at the end of x number of hours?

a)

b)

c)

d)

46.

Which situation represents a relationship that is not proportional?

a)

The cost of purchasing floor cleaner online for $20 per bottle plus a shipping fee of $4 a bottle

b)

The cost of renting a hotel room for $55.25 per night plus an occupancy tax of $8.50 per night

c)

The cost of purchasing soda for $23 per case with a holiday discount of $2 per customer off the total purchase cost

d)

The cost of purchasing lawn mowing service for $40 per week plus $10 per week for fertilizer and weed control

47.

Beatriz burned wood pellets in her slow cooking smoker at a constant rate of 0.45 pounds per hour. Which value table could represent the total pounds of pellets burned, y, at the end of x number of hours?

a)

b)

c)

d)

48.

Five months of weather data for a town comparing the average high temperature that month with the amount of monthly precipitation are shown on the scatterplot.

Based on the information, what is the closest estimate for the monthly precipitation if the average monthly high temperature is 85°F?

a)

5.1 in

b)

4.5 in

c)

7 in

d)

6 in

49.

On which number line does point R best represent the approximate value of $\sqrt[]{61}$ ?

a)

b)

c)

d)

50.

Five months of weather data for a town comparing the average high temperature that month with the amount of monthly precipitation are shown on the scatterplot.

Based on the information, what is the closest estimate for the monthly precipitation if the average monthly high temperature is 75°F?

a)

2.1 in

b)

3.3 in

c)

6 in

d)

1 in

51.

On which number line does point R best represent the approximate value of $\sqrt[]{99}$ ?

a)

b)

c)

d)

52.

Aiden recorded the number of people swimming at the neighborhood pool at various times after it opened each day for several days and made the following scatterplot with the data.

Which statement is correct regarding the relationship between the number of swimmers and the number of hours that have passed after opening each day for all of the data points?

a)

There is a positive linear association.

b)

Thereis a negative linear association.

c)

There is a non-linear association.

d)

There is no relationship between variables.

53.

The length of Rectangle A is 7x + 11. The length of Rectangle B is 15x - 9. Given the two rectangles are congruent, what is the value of x?

(a)

54.

Gabriella wrote a set of numbers on the index cards. Which lists the numbers in order from greatest to least?

a)

$8.67,\ 2\ \sqrt[]{17},\ 8\ \frac{1}{2}$

b)

$2\ \sqrt[]{17},\ 8\ \frac{1}{2},\ 8.67$

c)

$8\ \frac{1}{2},\ 2\ \sqrt[]{17},\ 8.67$

d)

$8.67,\ 8\ \frac{1}{2},\ 2\ \sqrt[]{17}$

55.

During a drought, the level of a lake drops 5 feet in 3 weeks. Which graph has a slope that best represents the number of feet per week the lake level drops during a drought?

a)

b)

c)

d)

56.

Aiden recorded the number of people swimming at the neighborhood pool at various timesafter it opened each day for several days and made the following scatterplot with the data.

Which statement is correct regarding the relationship between the number of swimmers and the number of hours that have passed after opening each day for all of the data points?

a)

Thereis a positive linear association.

b)

There is a negative linear association.

c)

There is a non-linear association.

d)

There is no relationship between variables.

57.

The length of Rectangle A is 7x + 3. The length of Rectangle B is 5x - 4. Given the two Rectangles are congruent, what is the value of x?

(a)

58.

Gabrielia wrote a set of numbers on the index cards shown. Which lists the numbers in order from least to greatest when plotted on a number line?

a)

$-3.95,\ -\frac{15}{4},\ -\sqrt[]{15}$

b)

$-\sqrt[]{15},\ -\frac{15}{4},\ -3.95$

c)

$-\frac{15}{4},\ -3.95,\ -\sqrt[]{15}$

d)

$-3.95,\ -\sqrt[]{15},\ -\frac{15}{4}$

59.

One side of a tabletop is 12x - 5 units long. Another side of the tabletop is 7x + 4 units long. If the tabletop is a square, what is the value of x?

a)

1.8

b)

1.2

c)

0.75

d)

2.5

60.

Pentagon ABCDE is dilated about the origin to make pentagon A'B'C'D'E’ as shown.

Which rule best represents the dilation that is applied to pentagon ABCDE to create pentagon A'B'C'D'E'?

a)

(x, y) $\rightarrow$ (4x, 4y)

b)

(x, y) $\rightarrow$ (3x, 3y)

c)

(x, y) $\rightarrow$ (x+4, y+4)

d)

(x, y) $\rightarrow$ (x+3, y+3)

61.

Mingmei can build 5 model rockets in 2 days. Which graph has a slope that best represents the number of rockets per day Mingmei can build?

a)

b)

c)

d)

62.

Which linear function is shown on the graph?

a)

$y=2x+6$

b)

$y=\frac{1}{2}x-3$

c)

$y=-\frac{1}{2}x+3$

d)

$y=-2x+6$

63.

Which list of numbers is in order from greatest to least?

a)

$60\%,\ \frac{8}{15},\ 0.5,\ \frac{4}{9}$

b)

$0.5,\ \frac{4}{9},\ 60\%,\ \frac{8}{15}$

c)

$60\%,\ 0.5,\ \frac{8}{15},\ \frac{4}{9}$

d)

$\frac{8}{15},\ 60\%,\ 0.5,\ \frac{4}{9}$

64.

Based on the triangle diagrams, which statement is correct?

a)

k = 310° since 60 + 70 = 130 and 180 + 130 = 310

b)

k = 170° since 180 - 70 = 110 and 110 + 60 = 170

c)

k = 130° since 180 - 60 - 70 = 50 and 180 - 50 = 130

d)

k = 50° since 60 + 70 = 130 and 180 - 130 = 50

65.

Which scatterplot below appears to represent a linear relationship between x and y?

a)

b)

c)

d)

66.

One side of a tabletop is 16x - 3 units long. Another side of the tabletop is 4x + 12 units long. If the tabletop is a square, what is the value of x?

a)

0.45

b)

0.8

c)

1.25

d)

0.75

67.

Pentagon ABCDE is dilated about the origin to make pentagon A'B'C'DE' as shown.

Which rule best represents the dilation that is applied to pentagon ABCDE to create pentagon A'B'C'D'E’?

a)

(x, y) $\rightarrow$ (0.8x, 0.8y)

b)

(x, y) $\rightarrow$ (x-1, y-1)

c)

(x, y) $\rightarrow$ (0.5x, 0.5y)

d)

(x, y) $\rightarrow$ (x+1, y+1)

68.

Mingmei can build 3 model rockets in 5 days. Which graph hasa slope that best represents the number of rockets per day Mingmei can build?

a)

b)

c)

d)

69.

Which linear function is shown on the graph?

a)

$y=3x+3$

b)

$y=\frac{1}{3}x+1$

c)

$y=-3x+3$

d)

$y=-\frac{1}{3}x+1$

70.

Which list of numbers is in order from least to greatest?

a)

$\sqrt[]{9},\ \pi,\ 333\%,\ \frac{17}{5}$

b)

$\pi,\ \sqrt[]{9},\ \frac{17}{5},\ 333\%$

c)

$\sqrt[]{9},\ 333\%,\ \pi,\ \frac{17}{5}$

d)

$\frac{17}{5},\ 333\%,\ \sqrt[]{9},\ \pi$

71.

Based on the triangle diagrams, which statement is correct?

a)

k = 250° since 35 + 35 = 70 and 180 + 70 = 250

b)

k= 180° since 180 - 35 = 145 and 145 + 35 = 180

c)

k=110° since 35 + 35 = 70 and 180 - 70 = 110

d)

k= 70° since 180 - 35 - 35 = 110 and 180 - 110 = 70

72.

Which scatterplot below appears to represent a linear relationship between x and y?

a)

b)

c)

d)

73.

Serek graphed a linear function on the coordinate grid. What are the y-intercept and slope of the graphed linear function?

a)

y-intercept = -2.4, slope = -5/4

b)

y-intercept = -3, slope = 5/4

c)

y-intercept = -2.4, slope = -4/5

d)

y-intercept = -3, slope = 4/5

74.

A 25 foot long ladder is set up against the side of a building. The bottom of the ladder is 7 feet from the base of a building’s wall. All dimensions in the diagram are in feet. What is the total height, h, of the building’s wall in feet?

(a)

75.

Evander is considering taking a $6,000 student loan that charges 3.5% interest compounded annually. Which amount is closest to the total loan plus accumulated interest in 4 years when he graduates?

a)

$6,885.14

b)

$6,210.00

c)

$6,840.00

d)

$7,019.15

76.

Which situation can be represented by the equation 22h + 50 = 27h + 20?

a)

Tamira and Alberto are volunteers shelving books at the library. Tamira started with 22 books on her shelf and added 50 more books per hour to it. Alberto started with 27 books on his shelf and added 20 books per hour to it. In how many hours, h, were the number of books on the two shelves equal

b)

A restaurant has two wood-fired ovens. Oven A has 50 pounds of wood in its storage bin and uses 22 pounds per hour. Oven B has 20 pounds of wood in its storage bin and uses 27 pounds per hour. In how many hours, h, will the amount of wood remaining be equal?

c)

Chen monitored the amount of money contained in two cash registers at his store. The first register started with $22 in it and $50 per hour was added to it. The second register started with $27 in it and $20 per hour was added to it. In how many hours, h, were the amounts in the two cash registers equal?

d)

Luis needs a painter to refinish his front door. Painter A charges a $50 appointment fee plus $22 per hour of work performed. Painter B charges a $20 appointment fee plus $27 per hour of work. In how many hours, h, would the painter costs be equal?

77.

Serek graphed a linear function on the coordinate grid. What are the y-intercept and slope of the graphed linear function?

a)

y-intercept = -3, slope = -1/4

b)

y-intercept = 3/4, slope = 1/4

c)

y-intercept = -3, slope = 4

d)

y-intercept = 3/4, slope = -4

78.

A 17 foot long ladder is setup against the side of a building. The bottom of the ladder is 8 feet from the base of a building’s wall.

All dimensions in the diagram are in feet. What is the total height, h, of the building's wall in feet?

(a)

79.

Evander is considering taking a $5,000 student loan that charges 4.25% annual simple interest. Which amount is closest to the total loan plus accumulated interest in 4 years when he graduates?

a)

$5,850.0

b)

$5,800.00

c)

$5,906.93

d)

$5,905.74

80.

Which situation can be represented by the equation 90 - 15h = 115 - 20h?

a)

Tamira and Alberto are volunteers shelving books at the library. Tamira started with 90 books on her shelf and added 15 more books per hour to it. Alberto started with 115 books on his shelf and added 20 books per hour to it. In how many hours, h, were the number of books on the two shelves equal?

b)

Chen monitored the amount of money contained in two cash registers at his store. Thefirst register started with $15 in it and $90 per hour was added to it. The second register started with $20in it and $115 per hour was added to it. In how many hours, h, were the amounts in the two cash registers equal?

c)

A restaurant has two wood-fired ovens. Oven A has 90 pounds of wood in its storage bin and uses 15 pounds per hour. Oven B has 115 pounds of wood in its storage bin and uses 20 pounds per hour. In how many hours, h, will the amount of wood remaining be equal?

d)

Luis needs a painterto refinish his front door. Painter A charges a $90 appointment fee plus $15 per hour of work performed. Painter B charges a $115 appointment fee plus $20 per hour of work. In how many hours, h, would the painter costs be equal?

81.

Which transformation of a figure on a coordinate grid preserves congruence?

a)

(x, y) $\rightarrow$ (-0.5x, 0.5y)

b)

(x, y) $\rightarrow$ (2x, -2y)

c)

(x, y) $\rightarrow$ (3x, 3y)

d)

(x, y) $\rightarrow$ (-y, -x)

82.

The table shows the cost of a car repair service, y, which includes an appointment fee plus labor for x number of hours. What is the hourly rate in dollars charged per hour of repair work in this situation?

(a)

83.

A town center has 3 square parking lots that border a right triangle shaped park in the middle of them as diagrammed below. The lots are labeled different colors to help people remember where they parked.

Which of these statements is correct?

a)

The area of the Blue lot is equal to the area of the Yellow lot.

b)

The area of the Blue lot is equal to the area of the Yellow lot minus the Red lot.

c)

The area of the Blue lot is equal to the area of the Yellow lot plus the Red lot.

d)

None of these.

84.

Which mapping represents y as a function of x?

a)

b)

c)

d)

85.

Marcus deposited $2000 into an account that earns 3.5% annually compounded interest. What is the interest that has accumulated after 6 years?

a)

$250.23

b)

$350.15

c)

$458.51

d)

$258.51

86.

Marcus deposited $2000 into an account that earns 3.5% annually compounded interest. What is his total balance after 6 years?

a)

$2,000

b)

$2,350

c)

$2781.35

d)

$2458.51

87.

Find the Mean Absolute deviation of the following data: 4, 5, 5, 4 . Round to the tenths place.

(a)

88.

Find the Mean Absolute deviation of the following data: 1, 8, 10, 20 . Round to the hundredths place

(a)

89.

Find the Mean Absolute deviation of the following data: 200, 300, 300, 500, 500

(a)

90.

a)

A

b)

B

c)

C

d)

D

91.

a)

F

b)

G

c)

H

d)

J

92.

a)

A

b)

B

c)

C

d)

D

93.

List in order from least to greatest.
5/4, 56%, 1.07, 4/5

a)

5/4, 56%, 1.07, 4/5

b)

1.07, 4/5, 5/4, 56%

c)

56%, 1.07, 4/5, 5/4

d)

56%, 4/5, 1.07, 5/4

94.

0.0000713 converted to scientific notation is ______.

a)

7.13 x 10^-5

b)

7.13 x 10⁵

c)

7.13 x 10^-4

d)

7.13 x 10⁴

95.

Erik took out a loan for $8400 for 6 years at a compound interest rate of 5.5%. How much interest does Erik owe from the loan?

a)

$2,772

b)

$11,582.28

c)

$3,182.28

d)

$108,084.86

96.

Casey travels from her house directly west to the bank and then directly north from the bank to the mall. She then travels home on the road connecting the mall and her house. What is her total distance traveled?

a)

17 miles

b)

32 miles

c)

37 miles

d)

40 miles

97.

Determine the mean absolute deviation of the data. 9, 7, 11, 10, and 8

a)

9

b)

6

c)

1.2

d)

5

98.

Which rule would result in a clockwise rotation of 90° about the origin?

a)

(x, y) → (y, x)

b)

(x, y) → (4x, 4y)

c)

(x, y) → (x, -y)

d)

(x, y) → (x + 4, y + 4)

99.

a)

Function

b)

Not a Function

100.

Nicolas places his 30 foot ladder against a house he is painting. If the foot of the ladder is 8 feet from the base of the house, how high above the ground is the top of the ladder touching the house? Round to the nearest tenth.

a)

22.0 ft

b)

27.8 ft

c)

28.9 ft

d)

31.0 ft

101.

What is the slope?

a)

-1/3

b)

-3

c)

-4

d)

5

102.

Find the rate of change.

a)

-2 minutes per gallon

b)

-20 minutes per gallon

c)

-2 gallons per minute

d)

-20 gallons per minute

103.

Which representation does NOT show y as a function of x?

a)

b)

c)

d)

104.

The table shows the number of gallons of gasoline in a car’s gas tank after the car has been driven x miles.

When these data are graphed on a coordinate grid, the points all lie on the same line. What are the slope and y-intercept of this line?

a)

Slope = 25, y-intercept = 375

b)

Slope = −25, y-intercept = 15

c)

Slope = −1/25, y-intercept = 15

d)

Slope = 1/25, y-intercept = 375

105.

Is this mapping a function or not a function?

a)

Function

b)

Not a Function

106.

Which rule best describes the dilation applied to Circle I to create Circle II?

a)

b)

c)

d)

107.

Trapezoid WKRP was translated 4 units to the left and 5 units up on a coordinate grid to create trapezoid W'K'R'P'. Which rule describes this transformation?

a)

(x y, ) → (x − 4, y + 5)

b)

(x y, ) → (x + 4, y − 5)

c)

(x y, ) → (x + 4, y − 5)

d)

(x y, ) → (x − 4, y − 5)

108.

Which representation shows y as a function of x?

a)

b)

c)

d)

109.

Triangle TRW is shown on the coordinate grid.

Triangle TRW will be dilated by a scale factor of n with the origin as the center of dilation to create triangle T'R'W'. Which ordered pair best represents the location of point R'?

a)

b)

( 3− n, −5n)

c)

( -3 + n, −5 + n)

d)

( -3 − n, − 5 -n)

110.

Triangle XYZ is rotated 90° clockwise about the origin to form triangle X Y′ ′Z′.

Which statement is true?

a)

The sum of the angle measures of triangle XYZ is 90° less than the sum of the angle measures of triangle X Y′′′ Z .

b)

The angle measures of triangle XYZ are less than the corresponding angle measures of triangle X Y′′′ Z .

c)

Triangle XYZ is not congruent to triangle X Y′′′ Z .

d)

The area of triangle XYZ is equal to the area of triangle X Y′′′ Z .

111.

The scatterplot shows the height in centimeters and weight in kilograms of several students.

Based on the scatterplot, which is the best prediction of the height in centimeters of a student with a weight of 64 kilograms?

a)

152 cm

b)

160 cm

c)

162 cm

d)

156 cm

112.

A transformation is applied to a figure to create a new figure on a coordinate grid. Which transformation does NOT preserve congruence?

a)

A rotation of 270° counterclockwise

b)

A reflection across the y-axis

c)

A dilation by a scale factor of 1.5

d)

A translation of 50 units down

113.

Order 5/8, 0.5, 58.3% from greatest to least.

a)

5/8, 0.5, 58.3%

b)

5/8, 58.3%, 0.5

c)

58.3%, 5/8, 0.5

d)

58.3%, 0.5, 5/8

114.

Which equation is directly proportional?

a)

y=5x+1

b)

y=4x-3

c)

y=7x

d)

y=2x+7

115.

When you dilate, you ______ x and y by a number.

a)

Multiply

b)

Add

c)

Subtract

d)

Divide

116.

If your scale factor is greater than 1, your new shape will be ______.

a)

Bigger

b)

Smaller

c)

The same size

d)

Rotated

117.

Which of the following sentences would belong in the proof that describes this image?

a)

The sum of the areas of the two smaller squares is equal to the area of the large square.

b)

The sum of the side lengths of the two smaller squares is equal to the side length of the large square.

c)

The difference of the areas of the two smaller squares is equal to the area of the large square.

d)

The differences of the side lengths of the two smaller squares is equal to the side length of the large square.

118.

What is the slope of the table?

a)

-2/5

b)

5/-2

c)

5/2

d)

2/5

119.

What is the slope of the table?

a)

-2/1

b)

-1/2

c)

2/1

d)

1/2

120.

What is the slope?

a)

-1/3

b)

-3

c)

-4

d)

5

121.

What is the y-intercept?

a)

-34

b)

-24

c)

0

d)

-3

122.

What is the y-intercept?

a)

7

b)

5/2

c)

3

d)

-4

123.

Solve for x.

a)

71

b)

-3

c)

35

d)

-19

124.

Point B could represent which of the following numbers?

a)

√24

b)

√30

c)

√35

d)

√42

125.

Is the relation a function? Why.

a)

Yes, because the x-value 11 has two y-values pair with it.

b)

Yes, because each x-value has only one y-value paired with it.

c)

No, because the x-value 11 has two y-values pair with it.

d)

No, because each x-value has only one y-value paired with it.

126.

Is this graph a function or not a function?

a)

Function

b)

Not a Function

127.

Find the slope of the line that passes through
(10, 1) and (5, 2)

a)

1/5

b)

-1/5

c)

5

d)

-5

128.

Express the following in scientific notation:
.000457

a)

457 x 10⁶

b)

457 x 10^-6

c)

4.57 x10⁴

d)

4.57 x 10^-4

129.

Find the length of the missing side.

a)

25 cm

b)

42 cm

c)

52 cm

d)

48 cm

130.

Which number would fit the inequality:

1/8 < x < √2

a)

x = 0.11

b)

x = 1.5

c)

x = 2

d)

x = 1.1

131.

Which point best represents √79

a)

Point M

b)

Point N

c)

Point P

d)

Point Q

132.

How do you write the standard number 0.00095 in correct scientific notation?

a)

95 x 10^-5

b)

9.5 x 10^-5

c)

9.5 x 10^-4

d)

9.5 x 10^-6

133.

What type of association does this graph have?

a)

positive

b)

negative

c)

none

d)

all of the above

134.

Which graph is proportional?

a)

A

b)

B

c)

C and D

d)

All of the graphs are proportional

135.

Does the table show a proportional relationship?

a)

Yes

b)

No

136.

Does the equation show a proportional relationship?

a)

Yes

b)

No

137.

Mrs. Patillo wanted to know whether there was a relationship between two sets of her students’ test scores. The scatterplot below shows the scores of her students. Which statement best describes the relationship?

a)

No correlation

b)

Constant relationship

c)

Negative correlation

d)

Positive correlation

138.

Trapezoid PQRS is rotated 180° about the orgin to form P'Q'R'S'.

Which statement is true?

a)

The sum of the angles measures of trapezoid PQRS is 180° less than the sum of the angle measures of trapezoid P'Q'R'S'.

b)

Trapezoid PQRS is not congruent to trapezoid P'Q'R'S'.

c)

The area of trapezoid PQRS is less than the area of trapezoid P'Q'R'S'.

d)

The angle measures of trapezoid PQRS are equal to the corresponding angle measures of trapezoid P'Q'R'S'.

139.

Brody played a game where he scored 8 points per hour but was already up by 6 points. Candice played a game and scored 10 points per hour but was already up by 2 points. What is x, the number of hours that Brody and Candice would each have to play the game in order for their scores to be the same?

a)

8x + 6 = 10x + 2

b)

6x + 8 = 2x + 10

c)

8x + 2 = 10x + 6

d)

6x + 2 = 10x + 6

140.

The coordinates of two points is (1,1) and (3,4).

Which measurement is closest to the length of FM in units?

a)

13 units

b)

3.6 units

c)

2.2 units

d)

4.1 units

141.

Two eighth grade classes are selling raffle tickets to raise money.

One class is selling tickets for $1.50 each and has already raised $200.
The other class is selling tickets for $3 each and has already raised $100.

Which equation can be used to find t, the number of tickets each class needs to sell so that the total amount raised is the same for both classes?

a)

1.5t + 200 = 3t + 100

b)

1.5 + 200t = 3 + 100t

c)

1.5t + 3t = 300

d)

Not here

142.

Which set of ordered pairs does NOT represent y as a function of x?

a)

(4,4) (5,5) (6,6) (7,7)

b)

(1,4) (2,5) (3,6) (4,7)

c)

(1,8) (2,8) (3,8) (4,8)

d)

(9,4) (9,5) (9,6) (9,7)

143.

WHAT IS THE Y INTERCEPT OF THE LINE?

a)

-2

b)

2

c)

1

d)

-1

144.

POSITIVE OR NEGATIVE SLOPE?

a)

POSITIVE

b)

NEGATIVE

145.

WHICH EXPRESSION SHOWS A REFLECTION ON THE X AXIS

a)

A

b)

B

c)

C

d)

D

146.

a)

b)

c)

d)

147.

Which equation best represents the relationship between x and y in the graph?

a)

b)

c)

d)

148.

a)

9.2 in

b)

11 in

c)

13 in

d)

9.6 in

149.

A soccer field is a rectangle 90 meters wide and 120 meters long. The coach asks players to run from one corner to the corner diagonally across. What is this distance?

a)

210 m

b)

180 m

c)

150 m

d)

79 m

150.

Emilio borrows $1200 from a bank with 8.5% simple interest per year. How much will he have to pay back total in 2 years?

a)

$204

b)

$996

c)

$1,020

d)

$1,404

STAAR Questions 8th

Total questions: 150

Worksheet time: 5hrs 35mins

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