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1. |
Evaluate  if t = 8, u = -2, and v = 5. |
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A. |
0.56 |
B. |
0.2 |
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C. |
0.08 |
D. |
2.8 |
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Hint |
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2. |
An 18-foot ladder is placed 6 feet from the wall. Approximately how high does the ladder reach? |
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 |
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A. |
19 ft |
B. |
17.8 ft |
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C. |
12 ft |
D. |
17.0 ft |
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Hint |
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3. |
Name the multiplicative inverse of 5. |
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A. |
20 |
B. |
50 |
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C. |
-5 |
D. |
0.2 |
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Hint |
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4. |
Write an algebraic expression to represent ''the sum of 6 and three times a number squared.'' |
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A. |
6(3x) |
B. |
6 + 3x2 |
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C. |
6 + 3x |
D. |
6(3x)2 |
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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 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. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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7. |
A best-fit line is drawn on a scatter plot showing the average daily temperature and the number of people at a public swimming pool. The slope of the line would probably be ________ |
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A. |
undefined. |
B. |
negative. |
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C. |
positive. |
D. |
zero. |
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Hint |
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8. |
Find  |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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9. |
Triangle PQR with vertices P(-8, 9), Q(-3, -1), and R(2, 5) is translated so that P' is at (-12, 0). Find the translation matrix. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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10. |
If  , find N -1. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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11. |
Given that the inverse of the coefficient matrix is  , solve the matrix equation  . |
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A. |
(4, 3) |
B. |
(-2, 3) |
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C. |
(2, 4) |
D. |
(-4, 3) |
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Hint |
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12. |
Use synthetic division to find
(4x3 + 13x2 - 2x -15) ÷ (x + 3). |
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A. |
4x - 5 |
B. |
4x2 + x - 5 |
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C. |
x2 + x - 5 |
D. |
4x2 + x + 5 |
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Hint |
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13. |
Solve  |
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A. |
14 |
B. |
7 |
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C. |
-49 |
D. |
49 |
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Hint |
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14. |
If  find f (-9). |
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A. |
-5 |
B. |
5 |
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C. |
-1 |
D. |
1 |
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Hint |
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15. |
Choose the ordered pair that satisfies 7x – 15y < -13. |
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A. |
(0, -2) |
B. |
(1, 1) |
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C. |
(2, -3) |
D. |
(-2, 0) |
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Hint |
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16. |
What are the dimensions of matrix A if  |
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A. |
3 × 3 |
B. |
3 × 4 |
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C. |
4 × 4 |
D. |
4 × 3 |
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Hint |
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17. |
Given that   and  use the fact that  to find AB + AC. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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18. |
Vince and Brian each need two kinds of items at the store. Vince bought 10 of item A and 14 of item B, and spent $97. Brian bought 8 of item A and 25 of item B, and spent $119. How much did each item cost? |
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A. |
item A = $3
item B = $5.50 |
B. |
item A = $1.14
item B = $2.10 |
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C. |
item A = $2.10
item B = $1.14 |
D. |
item A = $5.50
item B = $3 |
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Hint |
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19. |
Find  |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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20. |
 |
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A. |
36 |
B. |
6 |
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C. |
 |
D. |
72 |
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Hint |
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