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1. |
What is the value of |-101|? |
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A. |
-101 |
B. |
101 |
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C. |
10.1 |
D. |
0 |
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Hint |
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2. |
Choose the relation that is a function. |
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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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3. |
The scatter plot below shows the women's winning marathon times and the high temperatures on the marathon days. Which prediction equation best shows how marathon times and temperature are related? |
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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. |
Choose the graph of 3y - 2x > 6. |
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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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5. |
Triangle FGH has vertices F(12, 6), G(8, 1), and H(-4, 4). If the triangle is reduced so that the resulting perimeter is half the original perimeter, what are the coordinates of F'? |
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A. |
(6, 6) |
B. |
(-2, -2) |
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C. |
(6, 3) |
D. |
(4, 2) |
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Hint |
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6. |
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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7. |
For the determinant  , which is the minor of -4? |
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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 determinant of  |
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A. |
-11 |
B. |
0 |
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C. |
-16 |
D. |
-21 |
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Hint |
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9. |
Find the inverse of  |
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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. |
Simplify (-3a5b3)4. |
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A. |
81a20b12 |
B. |
-81a9b12 |
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C. |
-12a20b12 |
D. |
-12a9b7 |
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Hint |
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11. |
Simplify (8 - 9i) + (3 + 4i). |
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A. |
-i + 17 |
B. |
17 + 7i |
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C. |
11 + 5i |
D. |
11 - 5i |
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Hint |
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12. |
Solve m2 - 2m = 15 by factoring. |
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A. |
-3, 5 |
B. |
5 |
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C. |
3 |
D. |
-5, 3 |
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Hint |
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13. |
Find the axis of symmetry of the graph of f(x) = 4x2 -4x + 4. |
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A. |
y = 3 |
B. |
x =  |
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C. |
x = 4 |
D. |
x = 2 |
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Hint |
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14. |
Solve the equation | 4k + 6 | = 5k + 3. |
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A. |
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B. |
-1 |
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C. |
3 |
D. |
{-1, 3} |
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Hint |
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15. |
Graph the line through (2, 3) that is perpendicular to the line with equation 2x + 5y = 1. |
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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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16. |
Choose the line that has a slope of 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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17. |
A line of fit is drawn on a scatter plot showing the number of pets owned by automobile owners and the number of miles driven each month. What would probably be the best description of the slope of this line? |
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A. |
undefined |
B. |
zero |
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C. |
negative |
D. |
positive |
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Hint |
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18. |
Solve the system of equations. –2x + 3y = 7
4x – 6y = 8. |
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A. |
y = –22, x = –31 |
B. |
no solution |
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C. |
y = –22, x = 29.5 |
D. |
y = –22, x = –36.5 |
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Hint |
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19. |
If  and  find 4A – 5B. |
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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. |
Solve by graphing. If exact roots cannot be found, state the consecutive integers between which the roots are located. |
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A. |
1, 2 |
B. |
between 0 and 1, and 1 and 2 |
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C. |
between 0 and 1, and 2 and 3 |
D. |
between –1 and 0, and 1 and 2 |
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Hint |
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