8th.final Test 2nd Quarter

8/13/2019 8th.final Test 2nd Quarter

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t h

n d


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1. Which set of coordinates could be points on the graph of a function?

A.

B.

C.

D.

2. Each table below shows values for x and y.

Which shows all of the tables that are functions?

A. I

B. II

C. I and II

D. I and III

3. Which relation is a function?

A. {(1, 2), (3, 4), (2, 1), (1, 3)}

B. {(2, 5), (6, 5), (4, 6), (2, 0)}

C. {(1, 2), (3, 4), (2, 3), (4, 5)}

D. {(3, 4), (3, 5), (4, 3), (5, 3)}


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4. Which of these data sets represents a function?

A.

B.

C.

D.

5. Which graph does not represent a function?

A.

B.

C.

D.


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6. The volume of the cube shown can be represented by V = s3 , where Vis

the volume when the side length is s.

Which of the following correctly shows the graph of V = s 3 ?

A.

B.

C.

D.


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7. Which graph matches the function shown in the table?

A.

B.

C.

D.


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8. Which of the following is thex-intercept of the graph of 2x -y = 5?

A. -5

B. 0

C. 5

D.

9. Determine the coordinates of thex-intercept of 3x 4y = 24.

A. (0, 8)

B. (8, 0)

C. (-6, 0)

D. (0, -6)

10. Graphy = 2x + 5.

A.

B.

C.

D.


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11. Which line has a slope of and passes through (2, -4)?

A.

B.

C.

D.

12. Use the table to find the rate of change ifx is represented by the year, andy is represented by the cost.

A. 300 dollars/year

B. 200 dollars/year

C. 150 dollars/year

D. 300 dollars/year


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13. What is the slope of the line that passes through (-8, 4) and (-6, 7)?

A.

B.

C.

D.

14. Jim's wages vary directly as the numbers of hours he works. For 7 hours, he makes$38.85. How much will he make in 37 hours?

A. $194.25

B. $205.35

C. $1437.45

D. $207.20

15. Write an equation of the line shown in the graph.

A. y = 2x + 5

B. y = -2x + 5

C. y = 2x 5

D. y = -2x 5

16. A rental car company charges $75 for a 3-day rental and $155 for a 7-dayrental. Write an equation to find the amount that the rental car company will

charge for any number of days.

A. y = 20x + 15

B. y = 80x

C. y = 20x

D. y = 80x 165


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17. This is a table of values for a linear function.

Which is the rule for this function?

A. y=x

B. y=x+ 1

C. y= 3x2

D. y = 2x1

18. Which graph is the graph ofy - 2 = 4(x + 5)?

A.

B.

C.

D.


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19. Evaluate this function for x =3.

f(x) = 4x3 5x2 + 2x 4

A.

163

B. 151

C.

73

D. 53

20. Which graph best represents y = 4 x 1?

A.

B.

C.

D.


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23. Which is equivalent to this expression?

A.

B.

C.

D.

24. If x, y, and z represent the low temperature for three days, which algebraic expression represents theaverage daily low temperature over the three-day period?

A. 3(x + y + z)

B. (x +y + z)

C.

D.

25. Solve -3x - 5 > 22.

A.

B. {x |x < -9}

C. {x |x > -9}

D. {x |x < -81}

26. Solve 0.25x2 7x 15 = 0.

A. {4, 30}

B. {3, 15}

C. {2, 30}

D. {5, 3}


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27. Given the coordinates (0, 3), (1, 11), (2, 19), (3, 27), would a graph of these pointsexhibit exponential behavior?

A. yes, exponential behavior only

B. no, it would display linear behavior

C. no, it would not display exponential or linear behavior

D. yes, exponentialandlinear behavior

28. Write an equation for the following word problem. A number is 6 times anothernumber. The sum of the two numbers is 56.

A. y + 6y = 56

B. y +y = 56

C. y = 56

D. y = 6(56)

29. Translate the sentence into a formula. The area of a trapezoid is equal to one-halftimes the sum of the bases times the height.

A.

B.

C.

D.

30. Translate the equation into a verbal sentence.

A. One-third of a numberx minus 5 equals 4.

B.

Five subtracted from the quotient of and a numberx is 4.

C. One-third times the difference of a numberx and 5 is 4.

D. One-third of a numberx minus 4 equals 5.


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8th.final Test 2nd Quarter

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