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1. |
Write an inequality for the sentence three times a number is less than 45. |
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A. |
3x  45 |
B. |
3x > 45 |
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C. |
3 + x < 45 |
D. |
3x < 45 |
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Hint |
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2. |
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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3. |
Express  in simplest form. |
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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. |
Find  . |
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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. |
Solve  . |
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A. |
-2 or  |
B. |
5 |
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C. |
-2 |
D. |
-2 or 7 |
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Hint |
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6. |
Simplify the expression 2a + 7b + 12a + 3b and then evaluate if a = 2 and b = -2. |
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A. |
10a + 14b; -8 |
B. |
14a + 8b; 12 |
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C. |
14a + 10b; 8 |
D. |
9a + 15b; -12 |
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Hint |
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7. |
Find (x + 7)(2x +1). |
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A. |
2x2 + 7x + 7 |
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B. |
2x2 + 14x + 7 |
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C. |
2x2 + 9x + 7 |
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D. |
2x2 + 15x + 7 |
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Hint |
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8. |
Michael just got a job mowing his elderly neighbor's lawn paying him $10 each week. Draw a graph showing the amount he receives is increasing very rapidly. Suppose you graph the time in weeks on the horizontal axis and the amount Michael receives on the vertical axis. |
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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. |
What is the equation of a line that has a slope of –1 and passes through (–2, 0)? |
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A. |
y = –x – 2 |
B. |
y = –2x + 1 |
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C. |
y = –x + 2 |
D. |
y = –x – 1 |
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Hint |
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10. |
Which three points are collinear? |
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A. |
(3, 1), (4, 0), (–1, 2) |
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B. |
(–1, 1), (2, 3), (5, 2) |
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C. |
(–5, –3), (–2, 3), (2, –4) |
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D. |
(4, –3), (2, –2), (–4, 1) |
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Hint |
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11. |
Find a quadratic equation for the table. |
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A. |
y = 5x2 – 2 |
B. |
y = 5x2 + 1 |
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C. |
y = 5x2 – 1 |
D. |
y = x2 – 5 |
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Hint |
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12. |
Consider the equation xy = 3. What happens to the value of y when x doubles? |
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A. |
y triples |
B. |
y halves |
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C. |
y quarters |
D. |
y doubles |
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Hint |
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13. |
Use an exponent to write 177,147 as a power of 3. |
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A. |
311 |
B. |
39 |
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C. |
319 |
D. |
317 |
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Hint |
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14. |
Use the following table to find the amount of medicine remaining in the bloodstream after n hours. |
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A. |
500 × 0.85n |
B. |
425 × 0.85n |
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C. |
0.85n |
D. |
0.85 × 500n |
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Hint |
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15. |
Which equation represents exponential growth? |
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A. |
y = 250 ·  x |
B. |
y = 250 × 0.25x |
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C. |
y = 250 × 4x |
D. |
y = 250 × 0.4c |
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Hint |
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16. |
The sum of three consecutive even numbers is 54. Find the three numbers. |
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A. |
16, 17, 18 |
B. |
16, 18, 20 |
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C. |
18, 19, 20 |
D. |
15, 16, 17 |
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Hint |
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17. |
A figure has rotation symmetry of 8°. How many identical parts must there be? |
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A. |
70 |
B. |
45 |
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C. |
272 |
D. |
40 |
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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. |
90° |
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C. |
180° |
D. |
120° |
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Hint |
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19. |
Translate the figure using the given vector. |
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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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20. |
Find the rule for the translation below. |
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A. |
rule: (x, y)  (x – 1, y – 7) |
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B. |
rule: (x, y) (x – 7, y – 1) |
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C. |
rule: (x, y) (x – 1, y + 7) |
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D. |
rule: (x, y) (x + 7, y + 1) |
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Hint |
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