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1. |
Find the value of  |
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A. |
-56 |
B. |
5 |
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C. |
14 |
D. |
-14 |
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Hint |
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2. |
The values in the graph below are _______ |
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 |
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A. |
irrational numbers. |
B. |
rational numbers. |
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C. |
natural numbers. |
D. |
integers. |
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Hint |
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3. |
Name the additive inverse of  |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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4. |
The formula for the area of a trapezoid is  Solve the formula for h. |
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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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5. |
Write an inequality for the following problem. One fourth of a number increased by 17 is at least 63. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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6. |
The table below shows the land-speed records to the nearest mile per hour. Draw a scatter plot for the data and use it to predict the approximate land-speed record for the year 2005. Assume the rate of increase of speed records remains the same. |
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A. |
600 mph |
B. |
700 mph |
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C. |
980 mph |
D. |
830 mph |
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Hint |
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7. |
Write an inequality to describe all the points on the coordinate plane
above y = -4. |
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A. |
y > -4 |
B. |
y < -4 |
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C. |
y > 4 |
D. |
y < 4 |
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Hint |
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8. |
Use Cramer's rule to solve the system of equations. 
|
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A. |
(-0.4, -0.2) |
B. |
(0.4, 0.2) |
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C. |
(0.011, 0.0055) |
D. |
(0.2, 0.4) |
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Hint |
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9. |
What is the solution of the system of inequalities? 
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 |
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A. |
region 3 |
B. |
 |
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C. |
region 2 |
D. |
region 1 |
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Hint |
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10. |
The product  gives the coordinates of two points on line AB that has been rotated 90° counterclockwise about the origin. Name the coordinates of A' and B'. |
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A. |
A'(-1, 1), B'(1, -3) |
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B. |
A'(-1, -3), B'(1, 1) |
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C. |
A'(1, 1), B'(-1, -3) |
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D. |
A'(1, -3), B'(1, 1) |
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Hint |
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11. |
For the determinant  , which is the minor of -4? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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12. |
Which value of c makes the trinomial x2 + 16x + c a perfect square? |
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A. |
128 |
B. |
256 |
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C. |
64 |
D. |
32 |
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Hint |
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13. |
Solve x2 + 3x - 10 = 0 by completing the square. |
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A. |
-5, 2 |
B. |
2, 5 |
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C. |
2 |
D. |
5 |
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Hint |
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14. |
Find a quadratic equation with roots  and  . |
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A. |
8x2 - 3x + 14 = 0 |
B. |
4x2 - x + 6 = 0 |
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C. |
8x2 - 14x + 3 = 0 |
D. |
4x2 - 6x + 1 = 0 |
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Hint |
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15. |
Approximate the real zero of f(x) = x3 + x + 1 to the nearest tenth. |
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A. |
-0.7 |
B. |
-1.3 |
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C. |
0.3 |
D. |
-1.0 |
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Hint |
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16. |
Graph f(x) = x3 - 4x2 + 2x – 3. |
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A. |
 |
B. |
 |
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C. |
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D. |
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Hint |
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17. |
Which of the following is true concerning matrix multiplication of three matrices A, B, and C? |
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A. |
(A + B)C = CA + CB |
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B. |
AB = BA for no cases |
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C. |
AB = BA for all cases |
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D. |
C(A + B) = CA + CB |
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Hint |
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18. |
Solve 2x2 - 7x + 5 = 0 by completing the square. |
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A. |
4, 10 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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19. |
The volume of a refrigerator is  . Its height is x + 2. What are the other two dimensions? |
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A. |
x – 3 and x + 2 |
B. |
x – 6 and x + 1 |
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C. |
x – 2 and x + 3 |
D. |
x + 6 and x – 1 |
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Hint |
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20. |
Which of the following cannot be a rational root of  , according to the Rational Zero Theorem? |
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A. |
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B. |
2 |
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C. |
 |
D. |
 |
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Hint |
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