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1. |
Sarah must maintain a balance of at least $500 in her checking account to avoid finance charges. If her current balance is $794, write an inequality to determine how many times she can withdraw $25 for shopping without paying finance charges. |
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A. |
25w  106 |
B. |
25w 294 |
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C. |
25w 500 |
D. |
25w 794 |
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Hint |
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2. |
Which letter has rotational symmetry? |
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A. |
E |
B. |
C |
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C. |
O |
D. |
M |
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Hint |
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3. |
Use the scatter plot to predict the mileage of an engine with 250 horsepower. |
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A. |
12 |
B. |
25 |
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C. |
20 |
D. |
10 |
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Hint |
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4. |
Simplify  Assume the denominator is not equal to zero. |
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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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5. |
What is the equation of the graph shown? |
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A. |
f(x) = -2x2 + 2x - 1 |
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B. |
f(x) = -2x2 + 2x + 1 |
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C. |
f(x) = 2x2 + 2x + 1 |
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D. |
f(x) = 2x2 - 2x + 1 |
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Hint |
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6. |
Simplify  . |
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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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7. |
Find the graph that does not have direct variation. |
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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. |
Find the equation that is nonlinear. |
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A. |
y = 8 – x |
B. |
y = 4y2 |
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C. |
y = –3x – 1 |
D. |
y = 14 + 6x |
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Hint |
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9. |
Find the table that represents a graph with direct variation. |
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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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10. |
Which three points are collinear? |
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A. |
(–1, 1), (2, 3), (5, 2) |
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B. |
(3, 1), (4, 0), (–1, 2) |
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C. |
(4, –3), (2, –2), (–4, 1) |
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D. |
(–5, –3), (–2, 3), (2, –4) |
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Hint |
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11. |
What are the second differences in the y-values? |
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A. |
0 |
B. |
1 |
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C. |
2 |
D. |
–1 |
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Hint |
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12. |
How many counterexamples are needed to prove a conjecture wrong? |
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A. |
2 |
B. |
1 |
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C. |
4 |
D. |
3 |
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Hint |
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13. |
Evaluate.  |
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A. |
5 |
B. |
6 |
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C. |
8 |
D. |
–6 |
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Hint |
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14. |
How could you use the graph of h = 20t – 6t2 to estimate the solution(s) of 20t – 6t2 = 7, where h stands for height and t stands for time? |
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A. |
Draw a vertical line at t = 7 and find where it intersects the curve. |
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B. |
Draw a horizontal line at h = 20 and find where it intersects the curve. |
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C. |
Draw a horizontal line at h = 7 and find where it intersects the curve. |
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D. |
Draw a vertical line at t = 20 and find where it intersects the curve. |
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Hint |
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15. |
Use you calculator's Table feature to approximate the solutions to the nearest hundredth.
4x(x + 2) = 12 |
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A. |
x = 0, x = –4 |
B. |
x = –1, x = –4 |
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C. |
x = 2, x = –2 |
D. |
x = 1, x = –3 |
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Hint |
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16. |
Select the figure that is a reflection. |
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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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17. |
What angle of rotation does the figure below have? |
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A. |
40° |
B. |
45° |
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C. |
30° |
D. |
35° |
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Hint |
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18. |
What angle of rotation does the figure below have? |
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A. |
45° |
B. |
120° |
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C. |
180° |
D. |
90° |
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Hint |
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19. |
Find the angle of rotation for the following figure. |
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A. |
150° |
B. |
–90° |
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C. |
–30° |
D. |
30° |
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Hint |
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20. |
Describe a figure that is reflected over two intersecting lines? |
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A. |
a translation of the original figure across the closest intersecting line |
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B. |
a translation of the original figure across the intersecting lines |
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C. |
a reflection of the original figure across any line through the intersection point |
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D. |
a rotation of the original figure about the intersection point |
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Hint |
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