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1. |
Translate ''two times a number is six times the sum of z and y'' into an equation, inequality, or formula. |
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A. |
2x = 6 (zy) |
B. |
2x = 6z + y |
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C. |
2x = 6(z + y) |
D. |
2 + x = 6 + z + y |
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Hint |
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2. |
Solve 23 - x = 142. |
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A. |
x = -119 |
B. |
x = 119 |
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C. |
x = 165 |
D. |
x = -165 |
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Hint |
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3. |
Fifteen minus a number is thirty-two. Find the number. |
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A. |
17 |
B. |
-17 |
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C. |
47 |
D. |
-47 |
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Hint |
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4. |
The sum of a number and -16 is 25. Find the number. |
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A. |
-9 |
B. |
41 |
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C. |
9 |
D. |
 |
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Hint |
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5. |
Solve  |
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A. |
a = -6 |
B. |
a = 5 |
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C. |
a = 19 |
D. |
a = 29 |
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Hint |
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6. |
A shirt was $60 and is now $53. What is the approximate percent of change? |
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A. |
88.33% |
B. |
7% |
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C. |
10% |
D. |
11.67% |
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Hint |
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7. |
An antique car was purchased for $7400 and is now worth $10,600. What is the approximate percent of change? |
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A. |
43.24% |
B. |
50% |
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C. |
69.81% |
D. |
30.19% |
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Hint |
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8. |
Which ordered pair is a solution for 3a + 2b = 6? |
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A. |
(0, -3) |
B. |
(2, 0) |
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C. |
(1, 1) |
D. |
(-2, 0) |
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Hint |
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9. |
Arrange the terms of 4x2y3 – 2x4y + 3x3y2 – 3 + 2xy so that the powers of x are in descending order. |
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A. |
4x2y3 + 3x3y2 - 2x4y + 2xy – 3 |
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B. |
– 2x4y + 3x3y2 + 4x2y3 + 2xy – 3 |
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C. |
-3 + 2xy + 4x2y3 + 3x3y2 - 2x4y |
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D. |
-3 - 2x4y + 3x3y2 + 4x2y3 + 2xy |
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Hint |
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10. |
Find the coordinates of the vertex of the graph of the equation
y = x2 - 5x + 7. |
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A. |
 |
B. |
(5, 7) |
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C. |
(0, 7) |
D. |
 |
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Hint |
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11. |
The vertex of the graph of the equation y = -x2 + 6x + 1 is |
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A. |
neither a maximum nor a minimum |
B. |
both a maximum and a minimum |
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C. |
a minimum |
D. |
a maximum |
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Hint |
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12. |
Rico took a survey to find out the number of family members in each of his classmates' households. The results of the survey are shown in the graph. How many students responded with an answer of less than 6 family members? |
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A. |
85 |
B. |
90 |
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C. |
5 |
D. |
80 |
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Hint |
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13. |
Graph the set of numbers on a number line. {-5, -2, 1, 3, 4} |
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A. |
 |
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B. |
 |
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C. |
 |
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D. |
 |
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Hint |
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14. |
Name the coordinate of each point that is graphed on the number line. |
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A. |
{0, 2, 3, 6} |
B. |
{-6, -3, -1, 2} |
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C. |
{-6, -3, -2, 0} |
D. |
{-6, -3, 0, 2} |
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Hint |
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15. |
Which equation describes the line that contains the points (-1, -8) and (-9, -21)? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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16. |
Write and solve an inequality for the following: 5 times a number minus 7 is less than 118. |
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A. |
x < 625 |
B. |
x > 25 |
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C. |
x > 625 |
D. |
x < 25 |
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Hint |
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17. |
Solve –4 < -5x – 9 < 11. |
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A. |
{x| -1 < x < 4} |
B. |
{x| -1 < x < 1} |
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C. |
{x| -4 < x < -1} |
D. |
{x| -4 < x < 1} |
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Hint |
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18. |
Use elimination to solve the system of equations given by 6x + 15y = 15 and 4x – 5y = 25. |
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A. |
no solution |
B. |
(10, -3) |
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C. |
infinitely many solutions |
D. |
(5, -1) |
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Hint |
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19. |
Simplify  . |
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A. |
x2y |
B. |
x3y |
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C. |
x3y2 |
D. |
x2y2 |
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Hint |
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20. |
Nancy invests $100 in one account for ten years at a 9% interest rate compounded annually, and she invests $150 in an account for 10 years at a 6% interest rate compounded semi-annually. How much money will she have in the accounts after 10 years? |
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A. |
$507.65 |
B. |
$270.92 |
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C. |
$505.36 |
D. |
$236.74 |
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Hint |
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