Quiz about 40 Question Mock NEW STAAR (MATH8)

Question 1

Triangle 1 is dilated by a scale factor of 4.1 using the origin as the center of dilation to create Triangle 2. Which statement about the area and perimeter of Triangle 2 is true?

Accepted Answer

The perimeter is 4.1 times the perimeter of Triangle 1, and the area is 16.81 times the area of Triangle 1.

Answer

The perimeter is 4.1 times the perimeter of Triangle 1, and the area is 4.1 times the area of Triangle 1.

Answer

The perimeter is 8.2 times the perimeter of Triangle 1, and the area is 8.2 times the area of Triangle 1.

Answer

The perimeter is 16.4 times the perimeter of Triangle 1, and the area is 16.81 times the area of Triangle 1.

Question 2

A family has a hot dog cookout every year. The scatterplot shows the number of people who have attended each cookout and the number of hot dogs that were eaten each year.

This year 45 people are expected to attend the cookout. Based on the scatterplot, about how many hot dogs should the family prepare?

Accepted Answer

52

Answer

83

Answer

36

Answer

40

Question 3

Which set of side length measurements in meters does NOT make a right triangle?

Accepted Answer

9 m 11 m 13 m

Answer

18 m 24 m 25 m

Answer

7 m 24 m 25 m

Answer

20 m 21m 29 m

Question 4

A faucet leaks 0.8 gallon of water every 2 hours.

Which graph has a slope that best represents the number of gallons per hour leakes by the faucet?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 5

Which graph represents y as a function of x?

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 6

The total annual cost to attend a community college is $4,000. The college offered a high school senior a scholarship for $1,500 but will need to earn enough to pay the remaining cost. It is 5 months until the remaining cost must be paid.
What is the minimum amount the students need to earn per month to save enough money to pay the remaining cost?

What is the minimum amount the students need to earn per month to save enough money to pay the remaining cost?

Accepted Answer

$300

Answer

$600

Answer

$500

Answer

$800

Question 7

After x hours of rainfall today, Yvette recorded the amount of rain in inches y, in a rain gauge. The table shows the linear relationship for the recorded rainfall.

How many inches of rain was in the gauge before the rain began today, and what was the rate at which the rain fell in inches per hour?

Accepted Answer

There was 1.5 inches in the rain gauge before the rain began, and the rain fell at a rate of 0.75 inches per hour.

Answer

There was 0 inches in the rain gauge before the rain began, and the rain fell at a rate of 1.25 inches per hour.

Answer

There was 2.5 inches in the rain gauge before the rain began, and the rain fell at a rate of 1.25 inches per hour.

Answer

There was 3 inches in the rain gauge before the rain began, and the rain fell at a rate of 0.75 inches per hour.

Question 8

Four numbers are shown.

$$-3\frac{1}{4}$$ $$-\ \sqrt[]{9}$$ $$-3.2$$ $$-\pi$$

Which list shows the numbers in order from greatest to least?

Accepted Answer

$$-\ \sqrt[]{9}$$ , - $$-\pi$$ , $$-3.2$$ , $$-3\frac{1}{4}$$

Answer

$$-\ \sqrt[]{9}$$ , $$-\pi$$ , $$-3\frac{1}{4}$$ , $$-3.2$$

Answer

$$-\pi$$ , $$-3\frac{1}{4}$$ , $$-3.2$$ , $$-\ \sqrt[]{9}$$

Answer

$$-3\frac{1}{4}$$ , $$-3.2$$ , $$-\pi$$ , $$-\ \sqrt[]{9}$$

Question 9

A circle with center R $$(-4,-4)$$ on a coordinate plane is transformed so that its image forms a circle with center at R' $$(-4,4)$$ .

Which rules describe transformations that result in a circle with center R' ?

Accepted Answer

$$\left(x,\ y\right)\rightarrow\left(x,\ y+8\right)$$

Accepted Answer

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

Answer

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

Answer

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

Answer

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

Question 10

The two lines graphed on the coordinate grid represent a system of linear equations.

Which ordered pair best represents a solution to both equations?

Accepted Answer

$$(9,-2)$$

Answer

$$(4,-11)$$

Answer

$$(0,\ 4)$$

Answer

$$(6,\ 11)$$

Question 11

Jackson invested $680.00 in an account that equals 1.5% simple interest annually. He made no additional deposits or withdrawals for 2 years.

What was Jackson's account balance at the end of 2 years?

Accepted Answer

$700.40

Answer

$690.20

Answer

$884.00

Answer

$782.00

Question 12

Which equation does NOT show a proportional relationship between x and y?

Accepted Answer

$$y=7x-9$$

Answer

$$y=\frac{x}{12}$$

Answer

$$y=-15x$$

Answer

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

Question 13

An online candy store sells 3 pounds of fudge for $54.99. Which function represents the relationship between x, the number of pounds of fudge ordered, and y, the total cost in dollars?

Accepted Answer

$$y=\frac{54.99}{3}x$$

Answer

$$y=3(54.99)x$$

Answer

$$y=(54.99-3)x$$

Answer

$$y=54.99x-3$$

Question 14

A mail carrier recorded the number of people in each household on the mail route and the number of pieces of mail each household received in one day. The scatterplot shows the data the mail carrier recorded.

Based on the data, how many pieces of mail should a household with 8 people expect to receive?

Accepted Answer

21

Answer

16

Answer

29

Answer

27

Question 15

Which table does NOT represent y as a function of x?

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 16

The volume of salt water on Earth's surface is approximately 350,000,000,000,000,000,000 gallons. How is this number written in scientific notation?

Accepted Answer

$$3.5 imes10^{20}$$

Answer

$$3.5 imes10^{16}$$

Answer

$$35 imes10^{16}$$

Answer

$$35 imes10^{20}$$

Question 17

Maren made an initial deposit into her savings account. Each month Maren deposits the same amount into the savings account. The graph shows the linear relationship between x, the number of months Maren's savings account has been open, and y, the amount of money in the account.

Which amount best represents Maren's initial deposit in dollars?

Accepted Answer

$1,350

Answer

$450

Answer

$900

Answer

$1,575

Question 18

A triangle is shown , with Squares 1, 2, and 3 drawn on its sides.

Which measurements in units for the sides of the squares show that the triangle is a right triangle?

Accepted Answer

x = 10, y = 6, z = 8

Answer

x = 4, y = 2, z = 7

Answer

x = 9, y = 5, z = 7

Answer

x = 7, y = 3, z = 4

Question 19

A pentagon has side lengths in units of $$\sqrt[]{325}$$ , $$18\frac{3}{5}$$ , $$17.99$$ , $$18\frac{5}{12}$$ , $$\sqrt[]{290}$$

Which statements about the side lengths of the pentagon are true?

Select TWO correct answers.

Accepted Answer

The shortest side of the pentagon has a length of $$\sqrt[]{290}$$ units.

Accepted Answer

$$18\frac{3}{5}>18\frac{5}{12}$$

Answer

The longest side of the pentagon has a length of $$18\frac{5}{12}$$ units.

Answer

$$\sqrt[]{325}>18\frac{3}{5}$$

Answer

$$17.99<\sqrt[]{290}$$

Question 20

A box of rice is shaped like a rectangular prism. The box has a length of 6 inches, a width of 1.5 inches, and a height of 8.5 inches.

What is the total surface area of the box in square inches?

Accepted Answer

145.5 $$in^2$$

Answer

136.5 $$in^2$$

Answer

76.5 $$in^2$$

Answer

127.5 $$in^2$$

Question 21

The model represents an equation.

Based on the model, what is the value of x?

Accepted Answer

x = 2

Answer

x = 3

Answer

x = 4

Answer

x = 1

Question 22

The diagram shows the distance between Odina's house and the library in miles. It also shows the distance between the library and the school.

Which measurement is closest to x, the distance in miles from Odina's house to the school?

Accepted Answer

6.9 mi

Answer

8.9 mi

Answer

4 mi

Answer

12 mi

Question 23

An investor deposited $6,100.00 in an investment account.

- The account pays 3.1% interest compounded annually.

- The investor leaves the money in the account for 2 years.

- The investor makes no additional deposits or withdrawals.

What is the balance in the account at the end of 2 years?

Accepted Answer

$6,484.06

Answer

$6,289.10

Answer

$6,478.20

Answer

$6,686.21

Question 24

The value of y is 6 less than the quotient of x and 4. Which graph best shows this relationship?

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 25

A triangle on a coordinate plane has one vertex at (-7, -14). After a dilation with the origin as the center of dilation, the corresponding vertex of the dilated triangle is located at (-1, -2).

Which rule represents the dilation applied to the triangle?

Accepted Answer

(x, y) $$\rightarrow$$ $$\left(\frac{1}{7}x,\ \frac{1}{7}y\right)$$

Answer

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

Answer

(x, y) $$\rightarrow$$ $$(7x,\ 7y)$$

Answer

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

Question 26

Which situation can be represented by the inequality $$2x+18<3x+11$$ ?

Accepted Answer

Ana has made 18 bracelets and continues to make 2 bracelets each day. Elliot made 11 bracelets and continues to make 3 bracelets each day. After how many days, x, will Elliot have more bracelets than Ana?

Answer

Tori is on the 18th step from the bottom of a staircase and goes up 3 steps every second. Naoki is on the 11th step from the bottom and goes up 2 steps every second. After how many seconds, x, will Naoki pass Tori?

Answer

Gina has $2 in her savings account and adds $18 each week. Hiram has $3 in his savings account and adds $11 each week. After how many weeks, x, will Gina have more money in her savings account than Hiram?

Answer

Dhara has eaten 18 french fries and continues to eat 2 with each bite. Kendrick has eaten 11 french fries and continues to eat 3 with each bite. After how many bites, x, will Dhara have eaten more french fries than Kendrick?8.8B8

Question 27

A cone has a radius of 6 centimeters and a height of 10 centimeters. What is the volume of the cone in cubic centimeters?

Accepted Answer

$$120\pi\ cm^3$$

Answer

$$480\pi\ cm^3$$

Answer

$$360\pi\ cm^3$$

Answer

$$60\pi\ cm^3$$

Question 28

Figure 1 and Figure 2 are similar and have the measurements shown in units.

Based on the figures, which proportion is true?

Accepted Answer

$$\frac{x}{y}=\frac{5}{3}$$

Answer

$$\frac{x}{y}=\frac{3}{5}$$

Answer

$$\frac{x}{y}=\frac{2}{4}$$

Answer

$$\frac{x}{y}=\frac{4}{2}$$

40 Question Mock NEW STAAR (MATH8)

40 questions

Triangle 1 is dilated by a scale factor of 4.1 using the origin as the center of dilation to create Triangle 2. Which statement about the area and perimeter of Triangle 2 is true?

Draw a straight line on Patty Paper and place it over the graph so that it is in the middle of the points - equal points above the trend line as below the trend line.
Extend out the x-axis to 45 go up to the trend line, stop, and go over to the y-axis for answer.

A gas company charges a $16 monthly service fee and $0.6924 per hundred cubic feet of natural gas used during a month. Which equation best represents y, the gas company's monthly charges in dollars for using x hundred cubic feet of natural gas?

Equation needs to be in slope-intercept form.
"m" is the slope/rate - look for key words like each, every, per, or percent.
"b" is the y-intercept/starting amount - look for words like fee, shipping, or extra.

Which set of side length measurements in meters does NOT make a right triangle?

A faucet leaks 0.8 gallon of water every 2 hours.
Which graph has a slope that best represents the number of gallons per hour leakes by the faucet?

Notice the labels on the x-axis and y-axis.
Find the graph that has a point at x = 2 hours and y = 0.8 gallons.

A poster storage tube in the shape of a cylinder has a diameter of 3.5 inches and a volume of 122.5π cubic inches.
What is the height of the poster storage tube in inches?

Which graph represents y as a function of x?

Use the vertical line test to see if x-value repeats. If it crosses a vertical line more than 1 time, then NOT a function.

A triangular prism and its dimensions in centimeters are shown in the diagram.
What is the total surface area of the prism in square centimeter?

Subtract all the money that is given to help the student pay for college.
Then divide by the total number of months available to save.

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40 Question Mock NEW STAAR (MATH8)

40 questions

Triangle 1 is dilated by a scale factor of 4.1 using the origin as the center of dilation to create Triangle 2. Which statement about the area and perimeter of Triangle 2 is true?

Draw a straight line on Patty Paper and place it over the graph so that it is in the middle of the points - equal points above the trend line as below the trend line.Extend out the x-axis to 45 go up to the trend line, stop, and go over to the y-axis for answer.

A gas company charges a $16 monthly service fee and $0.6924 per hundred cubic feet of natural gas used during a month. Which equation best represents y, the gas company's monthly charges in dollars for using x hundred cubic feet of natural gas?

Equation needs to be in slope-intercept form. "m" is the slope/rate - look for key words like each, every, per, or percent. "b" is the y-intercept/starting amount - look for words like fee, shipping, or extra.

Which set of side length measurements in meters does NOT make a right triangle?

A faucet leaks 0.8 gallon of water every 2 hours. Which graph has a slope that best represents the number of gallons per hour leakes by the faucet?

Notice the labels on the x-axis and y-axis.Find the graph that has a point at x = 2 hours and y = 0.8 gallons.

A poster storage tube in the shape of a cylinder has a diameter of 3.5 inches and a volume of 122.5π cubic inches. What is the height of the poster storage tube in inches?

Which graph represents y as a function of x?

Use the vertical line test to see if x-value repeats. If it crosses a vertical line more than 1 time, then NOT a function.

A triangular prism and its dimensions in centimeters are shown in the diagram.What is the total surface area of the prism in square centimeter?

Subtract all the money that is given to help the student pay for college.Then divide by the total number of months available to save.

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

Draw a straight line on Patty Paper and place it over the graph so that it is in the middle of the points - equal points above the trend line as below the trend line.
Extend out the x-axis to 45 go up to the trend line, stop, and go over to the y-axis for answer.

Equation needs to be in slope-intercept form.
"m" is the slope/rate - look for key words like each, every, per, or percent.
"b" is the y-intercept/starting amount - look for words like fee, shipping, or extra.

A faucet leaks 0.8 gallon of water every 2 hours.
Which graph has a slope that best represents the number of gallons per hour leakes by the faucet?

Notice the labels on the x-axis and y-axis.
Find the graph that has a point at x = 2 hours and y = 0.8 gallons.

A poster storage tube in the shape of a cylinder has a diameter of 3.5 inches and a volume of 122.5π cubic inches.
What is the height of the poster storage tube in inches?

A triangular prism and its dimensions in centimeters are shown in the diagram.
What is the total surface area of the prism in square centimeter?

Subtract all the money that is given to help the student pay for college.
Then divide by the total number of months available to save.