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1. |
Name the set of numbers that is graphed below. |
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A. |
{-6, -3, 2, 4} |
B. |
{-3, 2, 4} |
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C. |
{all integers} |
D. |
{-6, -3, 0, 2, 4} |
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Hint |
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2. |
The following are scores on the English exam (the scores are out of 100). Which is the correct line plot? |
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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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3. |
Find the sum  |
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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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4. |
Solve the equation 2x + y = 6 for y. |
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A. |
y = -2x + 6 |
B. |
y = 2x + 6 |
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C. |
y = -6 - 2x |
D. |
y = 2x - 6 |
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Hint |
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5. |
Write an algebraic expression for the verbal expression: three times the sum of x and y increased by five times the product of x and 3y. |
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A. |
3x + y + 5x(3y) |
B. |
3(x + y) + 5(x + 3y) |
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C. |
3(xy) + 5(x + 3y) |
D. |
3(x + y) + 5(3xy) |
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Hint |
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6. |
Use the distributive property to rewrite without parentheses. |
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A. |
24x - 4 |
B. |
24x - 24 |
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C. |
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D. |
24x - 3 |
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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. |
30.19% |
B. |
50% |
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C. |
69.81% |
D. |
43.24% |
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Hint |
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8. |
Graph M(-3, 5). |
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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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9. |
Write the standard form of the equation of the line that passes through (-2, -3) and (2, -5). |
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A. |
x + 2y = -8 |
B. |
x - 2y = -8 |
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C. |
2x + y = -7 |
D. |
2x - y = -1 |
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Hint |
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10. |
Solve   |
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A. |
{x | x < -12} |
B. |
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C. |
{x | x < 6} |
D. |
{x | x > -12} |
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Hint |
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11. |
Solve |4x - 7| = 13. |
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A. |
{x | x = 5 or x = -5} |
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B. |
{x | x = 5} |
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C. |
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D. |
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Hint |
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12. |
Use substitution to solve the system of equations given below.
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A. |
(-5, 5) |
B. |
infinitely many solutions |
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C. |
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D. |
no solution |
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Hint |
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13. |
Evaluate m2 if m = . |
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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. |
Find  |
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A. |
11 |
B. |
1.1 |
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C. |
-1.1 |
D. |
1.1 |
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Hint |
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15. |
Solve 11b = 132. |
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A. |
b = 12 |
B. |
b = -12 |
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C. |
b = -1452 |
D. |
b = 1452 |
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Hint |
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16. |
Solve y = 7x – 7 if the domain is {-2, -1, 0, 1}. |
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A. |
{-19, -13, -7, -1} |
B. |
{-28, -14, 14, 28} |
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C. |
{-21, -14, -7, 0} |
D. |
{7, 14, 21, 28} |
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Hint |
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17. |
Which scatter plot shows that x and y have a positive correlation? |
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A. |
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B. |
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C. |
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D. |
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18. |
What is implied when it is said that x and y have a positive correlation? |
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A. |
When the value of x increases, the value of y decreases. |
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B. |
When the value of x increases, the value of y increases. |
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C. |
When the value of x increases, the value of y does not necessarily increase or decrease. |
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D. |
When the value of x decreases, the value of y does not necessarily increase or decrease. |
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Hint |
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19. |
Solve  |
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A. |
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B. |
b > 54 |
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C. |
b < 54 |
D. |
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Hint |
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20. |
Solve or  |
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A. |
{x| x > 15} |
B. |
{x| x < 15} |
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C. |
{x| x > 12} |
D. |
{x| x < 12} |
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Hint |
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