Quiz about Math 8th grade STAAR

Question 1

Which list below is ordered from least to greatest?

Accepted Answer

-37, (7/30), 0.73, 37%

Answer

0.73, (7/30), 37%, -37

Answer

(7/30), 0.73, 37%, -37

Answer

-37, (7/30), 37%, 0.73

Question 2

A math class was tracking the change in stock price of five companies over two weeks. The change of the stock price is listed in the table below. Which list orders the companies from greatest loss to great gain?

Accepted Answer

AAA Motors, Super Tech, USA Oil, Metal Works, & A+ Wireless

Answer

AAA Motors, Super Tech, Metal Works, A+ Wireless, & USA Oil

Answer

Metal Works, AAA Motors, USA Oil, A+ Wireless, & Super Tech

Answer

USA Oil, A+ Wireless, AAA Motors, Super Tech, & Metal Works

Question 3

Which point on the number line best represents sqrt(15)?

Accepted Answer

Point C

Answer

Point A

Answer

Point B

Answer

Point D

Question 4

Bill is shopping for the best value per ounce of raisin bran. The store has four different brands as shown below.

Accepted Answer

Brand C

Answer

Brand A

Answer

Brand B

Answer

Brand D

Question 5

The dimensions of three objects are shown. (Not drawn to scale.) Which list below shows the shapes in order from greatest area to least area?

Accepted Answer

Object A, Object C, Object B

Answer

Object C, Object B, Object A

Answer

Object B, Object A, Object C

Answer

Object A, Object B, Object C

Question 6

Which list of numbers is in order from least (top) to greatest (bottom)?

Accepted Answer

List 3

Answer

List 1

Answer

List 2

Answer

List 4

Question 7

George, Sandy, Carlos, and Michelle all ate a piece of a whole pecan pie. George ate 0.15 of the pie, Michelle ate of the 1/6 pie, and Carlos ate of the 1/9 pie. Sandy ate more than two of her friends, but less than the other one. What is a possible percentage of the pie Sandy ate?

Accepted Answer

14%

Answer

13%

Answer

16%

Answer

17%

Question 8

Match equal values. 1. ______ 1.20 2. ______ (3/4) 3. ______ 40% 4. ______ -3.75 5. ______ 4.0 6. ______ 25% 7. ______ (3/8) 8. ______ (3/5) 9. ______ 0.20 10. ______ -35%

Accepted Answer

0.25

Accepted Answer

(1/5)

Accepted Answer

0.375

Accepted Answer

400%

Accepted Answer

1 1/5

Question 9

Quadrilateral ABCD was dilated with the origin as the center of dilation to create quadrilateral A'B'C'D'. Which rule best represents the dilation that was applied to quadrilateral ABCD to create A'B'C'D'?

Accepted Answer

(x, y) -> (2x, 2y)

Answer

(x, y) -> (0.5x, 0.5y)

Answer

(x, y) -> (x + 2, y + 2)

Answer

(x, y) -> (0.2x, 0.2y)

Question 10

Quadrilateral QRST is shown in the graph below. Use this diagram to answer all the questions on this page. The rule (x, y) -> (x - 1, y - 2) is applied to form Q'R'S'T'. What are the vertices of Q'R'S'T'?

Accepted Answer

(-7, 2), (2, 3), (1, 0), and (-6, -1)

Answer

(-8, 3), (1, 4), (0, 1), and (-7, 0)

Answer

(-5, 2), (4, 3), (3, 0), and (-4, -1)

Answer

(-4, 5), (5, 6), (4, 3), and (-3, 2)

Question 11

Use the information in Question #3 to determine the amount of dilation. What scale factor is applied to QRST to create Q'R'S'T'?

Accepted Answer

1.00

Answer

0.00

Answer

0.50

Answer

2.00

Question 12

A new rule below is applied to quadrilateral QRST in Question #3 to form Q"R"S"T": (x, y) -> (0.5x, 0.5y). Which of the following is true about the relationship between QRST and Q"R"S"T"?

Accepted Answer

The area of Q"R"S"T" is larger than QRST.

Answer

The perimeter of QRST is smaller than Q"R"S"T".

Answer

The origin (0, 0) is contained within Q"R"S"T".

Answer

The area Q"R"S"T" is smaller than QRST.

Question 13

Quadrilateral ABCD, shown in the graph below, is a perfect square. Use this diagram to answer all the questions on this page. Which of the following is NOT true about the resulting quadrilateral A'B'C'D', if it is dilated by scale factor of 0.5?

Accepted Answer

A'B'C'D' has a larger perimeter than ABCD.

Answer

A'B'C'D' will remain a square.

Answer

The sides of A'B'C'D' are parallel to the sides of ABCD.

Answer

All of the vertices of A'B'C'D' are contained within ABCD.

Question 14

Susan received a $30 gift card to an online music store. $2 is debited from the gift card for every song Susan downloads. Which table best describes the remaining balance on the gift card (y) in relation to the number of songs downloaded (x)?

Accepted Answer

$30, $28, $26, $24

Answer

$28, $22, $16, $6

Answer

$0, $2, $6, $10

Answer

$28, $24, $18, $12

Question 15

Using the information in Question #1, what value represents the slope of the graph?

Accepted Answer

-1

Answer

-2

Answer

3

Answer

2

Question 16

Fran can make 5 pints of strawberry jam every 30 minutes. Which graph has a slope that best represents the number of pints of strawberry jam Fran can make?

Accepted Answer

Graph C

Answer

Graph A

Answer

Graph B

Answer

Graph D

Question 17

The table below lists the x and y values for a linear relationship. What is the value of x at the y-intercept?

Accepted Answer

0

Answer

-6

Answer

-2

Answer

2

Question 18

An attorney charges a base fee of $50 plus additional $75 for 1 hour of legal consultation, $150 for 2 hours of legal consultation, and $225 for 3 hours of legal consultation. Which of these values would represent a y-intercept on a graph?

Accepted Answer

$50 initial fee

Answer

$75 per hour consulting fee

Answer

Charging based on 1 hour increments

Answer

The total number of hours billed for legal consultation

Question 19

The graph shows the number of gallons of gas used for a family road trip. What does the slope of the graph represent?

Accepted Answer

The number of miles traveled per gallon of gas used

Answer

The number of miles traveled to use 11 gallons of gas

Answer

The number of gallons of gas used to travel 180 miles

Answer

The number of gallons of gas used for every mile traveled

Question 20

In a certain guessing game, each player begins with 40 coins. A player loses 3 coins when he or she makes an incorrect guess. When a player runs out of coins, the player is out of the game. The last player with coins remaining wins the game. If the y-value is the number of coins remaining and the x-value is the number of incorrect guesses, the 40 coins would represent what value in a graph?

Accepted Answer

y - intercept

Answer

slope of the graph

Answer

x - intercept

Answer

final number of coins possessed by the winner

Question 21

Tim measures the weight of a jar as he is filling it with water. The data chart below indicates the weight Tim has collected for different amounts of water. Based on this information, which of the following is true?

Accepted Answer

The jar weighs 18 oz without any water.

Answer

The jar weighs 27 oz without any water.

Answer

The jar weight 36 oz without any water.

Answer

The jar weighs 9 oz without any water.

Question 22

The graph below shows a falling object that is traveling at a constant rate from 19 meters above the ground. The x - intercept would represent what value?

Accepted Answer

the time at which the object struck the ground

Answer

the velocity of the fall

Answer

the height above the ground

Answer

the initial position of the object

Question 23

Which data chart below shows that the number living in a household has no relation to the distance the families live from the city?

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 24

Given the data points in the chart, which is a possible title for the scatterplot?

Accepted Answer

J. Age (x) and Height (y)

Answer

F. Brushing per Week (x) and Cavities (y)

Answer

G. Number of Generations (x) and Number of Fingers per Person (y)

Answer

H. Distance from Sun (x) and Temperature of Planets (y)

Question 25

Which of the scatterplots below shows a negative linear relationship between x and y?

Accepted Answer

G

Answer

F

Answer

H

Answer

J

Question 26

Linus sells widgets at his store. Today he has sold 21 widgets to three customers. What is the cost per widget?

Accepted Answer

$1.00

Answer

$2.00

Answer

$3.00

Answer

$1.50

Question 27

Which table shows the same relationship as y = 3x - 2?

Accepted Answer

J

Answer

F

Answer

G

Answer

H

Question 28

Which equation represents the same relationship as the ordered pairs below? {(-2, 0), (0, -4), (2, -18)}

Accepted Answer

y = -2x - 4

Answer

y = 2x + 4

Answer

y = 2x + 2

Answer

y = 3x - 4

Question 29

Which representation below shows y as linear function of x?

Accepted Answer

H

Answer

F

Answer

G

Answer

J

Question 30

Which relationship between x and y would also contain the ordered pair (3, -10)?

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 31

Which graph represents a relationship between x and y for the ordered pairs {(-3, -2), (-2, 2), (-1, 6)}?

Accepted Answer

F

Answer

G

Question 32

The tables below show the possible relationships between months (x) and the number of widgets sold (y). Which of the following tables can be described by the equation below? ( y = 7x - 2 )

Accepted Answer

Table D

Answer

Table A

Answer

Table B

Answer

Table C

Question 33

Stephen opens a savings account with an initial deposit of $300. Every month, Stephen will deposit an additional $250 into the account from his paycheck. Which function below shows the total amount of his deposits for x number of months?

Accepted Answer

( y = 250x + 300 )

Answer

( y = 300x + 250 )

Answer

( y = 12x + 550 )

Answer

( y = x(300 + 250) )

Question 34

Which of the following equations is represented by the graph?

Accepted Answer

y = 3x + 5

Answer

y = -3x + 5

Answer

y = -1/3x + 5

Answer

y = 3x - 15

Question 35

Which ordered pairs contains only points on the graph of the function y = -5 + 3x?

Accepted Answer

{(-5, -10), (0, -5), (3, 14)}

Answer

{(-5, -20), (0, -5), (7, 16)}

Answer

{(-20, -5), (-5, 0), (5, 20)}

Answer

{(5, -20), (1, 2), (3, -4)}

Question 36

Which of the following is a possible description for the function below? ( y = 2x + 15 )

Accepted Answer

The function represents the total price of a pizza is $15 plus $2 for each additional topping, x.

Answer

The function represents the total cost of a pizza if the sales tax, x, is 2 times the cost of a $15 pizza.

Answer

The function represents the cost of each additional topping on a pizza if the pizza is $15 plus 2% sales tax, x.

Answer

The function represents the tax on a pizza order if the tax is 2% of every $15 pizza, x, that is ordered.

Question 37

Which equation can be used to describe the relationship between x and y shown in the graph below?

Accepted Answer

y = -2/3x + 2

Answer

y = 3x - 3

Answer

y = 2/3x + 3

Answer

y = -3/2x + 3

Math 8th grade STAAR

56 questions

Which list below is ordered from least to greatest?

A math class was tracking the change in stock price of five companies over two weeks. The change of the stock price is listed in the table below. Which list orders the companies from greatest loss to great gain?

Which point on the number line best represents sqrt(15)?

Adam wants to deposit his savings in an account with the highest interest rate. He has saved $835 and has researched four banks’ interest rates. Which bank has the highest rate?

Bill is shopping for the best value per ounce of raisin bran. The store has four different brands as shown below.

The dimensions of three objects are shown. (Not drawn to scale.) Which list below shows the shapes in order from greatest area to least area?

Which list of numbers is in order from least (top) to greatest (bottom)?

Select the number that fits into the numbering sequence. 1, 2π, __, 9

Which of the following values is greater than 1?

George, Sandy, Carlos, and Michelle all ate a piece of a whole pecan pie. George ate 0.15 of the pie, Michelle ate of the 1/6 pie, and Carlos ate of the 1/9 pie. Sandy ate more than two of her friends, but less than the other one. What is a possible percentage of the pie Sandy ate?

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