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1. |
If y varies directly as x and y = 21 when x = 5, find x when y = 42. |
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A. |
21 |
B. |
10 |
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C. |
4.2 |
D. |
5 |
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Hint |
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2. |
If f(x) = 3x + 5, find f(2). |
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A. |
11 |
B. |
2f |
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C. |
10 |
D. |
8 |
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Hint |
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3. |
If g(x) = x2 + 3x - 2, find g(-2). |
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A. |
-12 |
B. |
4 |
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C. |
-4 |
D. |
8 |
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Hint |
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4. |
Write an equation to represent the function. |
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A. |
f(x) = x + 4 |
B. |
f(x) = 2x + 2 |
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C. |
f(x) = x + 1 |
D. |
f(x) = 3x |
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Hint |
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5. |
Determine the slope of the line that passes through (2, 2) and (5, 8). |
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A. |
 |
B. |
-2 |
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C. |
 |
D. |
2 |
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Hint |
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6. |
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. |
2x + y = -7 |
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C. |
x + 2y = -8 |
D. |
2x - y = -1 |
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Hint |
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7. |
Which graph is the graph of y - 2 = 4(x + 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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8. |
Which inequality is graphed below? |
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A. |
x > -5 |
B. |
y > -5 |
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C. |
x < -5 |
D. |
x > -5 |
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Hint |
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9. |
Find the distance between points with coordinates (3, -2) and (-2, 10). |
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A. |
 |
B. |
7 |
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C. |
13 |
D. |
 |
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Hint |
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10. |
Find f(x – 7) if f(x) = -4x – 10. |
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A. |
4x – 38 |
B. |
-4x – 17 |
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C. |
4x + 3 |
D. |
-4x + 18 |
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Hint |
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11. |
Find the slope of the line that passes through (-2, 9.5) and (4, 5). |
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A. |
0 |
B. |
undefined |
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C. |
 |
D. |
 |
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Hint |
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12. |
From the set {(-5, 4), (0, 2), (1, 6), (4, -4)}, which ordered pairs are a part of the solution set for  |
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A. |
{(1, 6), (4, -4)} |
B. |
{(-5, 4), (1, 6), (4, -4)} |
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C. |
{(0, 2), (4, -4)} |
D. |
{(-5, 4), (0, 2), (1, 6)} |
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Hint |
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13. |
If y varies inversely as x and y = 4 when x = , what is y when x = 3? |
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A. |
24 |
B. |
6 |
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C. |
 |
D. |
 |
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Hint |
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14. |
What is the constant of variation if y varies inversely as x, and x = 4.3 when y = 2.15? |
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A. |
2 |
B. |
 |
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C. |
0.108 |
D. |
9.245 |
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Hint |
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15. |
If Dale Jarrett drives his car 1760 feet on the racetrack in 6 seconds, about how long will it take him to drive 2640 feet, a half mile? |
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A. |
18 minutes |
B. |
18 seconds |
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C. |
9 seconds |
D. |
6 minutes, 40 seconds |
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Hint |
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16. |
What is the midpoint of a segment with endpoints at (5, 6) and (3, 8)? |
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A. |
(1, 1) |
B. |
(7, 4) |
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C. |
(4, 7) |
D. |
(1, -1) |
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Hint |
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17. |
Which function is not a quadratic function? |
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A. |
y = -x2 + 3 |
B. |
y = 2x + 32 |
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C. |
y = 3x2 - 12 |
D. |
y = 4x2 - 7 |
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Hint |
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18. |
Which is a function rule for the table shown? |
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A. |
y = -x2 - 4 |
B. |
y = -2x + 4 |
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C. |
y = x2 - 3 |
D. |
y -x2 + 3 |
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Hint |
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