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1. |
Which ordered pair is a solution of y < -4x - 5? |
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A. |
(-7, 0) |
B. |
(1, -3) |
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C. |
(0, 6) |
D. |
(2, 3) |
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Hint |
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2. |
Find a number that when squared equals 484. |
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A. |
None of these is correct |
B. |
22 or -22 |
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C. |
-22 only |
D. |
22 only |
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Hint |
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3. |
Solve the equation x2 = 0.81. |
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A. |
none of these is correct |
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B. |
x = 0.9 only |
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C. |
x = 0.9 or x = -0.9 |
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D. |
x = -0.9 only |
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Hint |
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4. |
What is the equation of the graph shown? |
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 |
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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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5. |
Solve  . |
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A. |
-2 or  |
B. |
-2 or 7 |
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C. |
-2 |
D. |
5 |
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Hint |
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6. |
Simplify  . |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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7. |
Solve 2z2 + z - 4 = 0 by completing the square. |
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A. |
 |
B. |
-2, 1 |
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C. |
 |
D. |
 |
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Hint |
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8. |
Determine the product (2x + 1)(x - 4). |
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A. |
2x2 + 8x - 4 |
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B. |
2x2 + 6x - 4 |
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C. |
2x2 - 7x - 4 |
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D. |
2x2 - 2x - 4 |
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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. |
Find the graph of y = x2 + 1. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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11. |
Find a quadratic equation for the table. |
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 |
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A. |
y = 5x2 – 2 |
B. |
y = x2 – 5 |
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C. |
y = 5x2 – 1 |
D. |
y = 5x2 + 1 |
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Hint |
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12. |
What is the reciprocal of –20? Evaluate it in decimal form. |
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A. |
–0.05 |
B. |
–0.20 |
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C. |
–0.02 |
D. |
–0.50 |
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Hint |
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13. |
The population of fish in Mark's lake is 500 this year. If the population increases by 6.9% a year, what number can Mark multiply this year's population by to estimate the fish population in the lake next year? |
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A. |
1.69 |
B. |
0.0931 |
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C. |
6.9 |
D. |
1.069 |
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Hint |
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14. |
Suppose your parents buy a new car for $21,000. What will the value of the car be in 5 years if the car depreciates by 10% each year.? |
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A. |
$10,044 |
B. |
$12,400 |
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C. |
$11,160 |
D. |
$15,309 |
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Hint |
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15. |
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 horizontal line at h = 20 and find where it intersects the curve. |
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B. |
Draw a vertical line at t = 7 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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16. |
Find the angle of rotation that is the same as 70°. |
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A. |
–290° |
B. |
–170° |
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C. |
–70° |
D. |
170° |
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Hint |
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17. |
Translate the figure using the given vector. |
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 |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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18. |
Backtrack to find the input for the flowchart. |
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A. |
b = –3 |
B. |
b = 3 |
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C. |
b = –5 |
D. |
b = 5 |
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Hint |
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19. |
Find the solutions of the equation.(s – 5)(s + 1) = 0 |
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A. |
s = –5 and s = 1 |
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B. |
s = –5 and s = –1 |
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C. |
s = 5 and s = 1 |
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D. |
s = 5 and s = –1 |
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Hint |
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20. |
Factor the quadratic expression.x2 + 2x – 24 |
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A. |
(x + 6)(x + 4) |
B. |
(x – 6)(x – 4) |
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C. |
(x – 6)(x + 4) |
D. |
(x + 6)(x – 4) |
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Hint |
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