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1. |
Evaluate |-6p| if p = 2. |
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A. |
-12 |
B. |
0 |
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C. |
12 |
D. |
3 |
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Hint |
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2. |
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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3. |
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. |
positive. |
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C. |
zero. |
D. |
negative. |
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Hint |
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4. |
Which equation describes graph A? |
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A. |
y = | x - 1 | |
B. |
y = | 2.25x | |
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C. |
y = 2.25x - 1 |
D. |
y = 2.25| x | - 1 |
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Hint |
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5. |
Choose the graph of  |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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6. |
What is the first step in solving the system of equations using the elimination method? 
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A. |
Solve the first equation for x. |
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B. |
Add the equations. |
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C. |
Multiply the second equation by 2. |
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D. |
Subtract the second equation from the first equation. |
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Hint |
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7. |
Solve the system of equations by using substitution. 
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A. |
(3, 7) |
B. |
(1, 3) |
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C. |
(4, 9) |
D. |
(5, 11) |
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Hint |
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8. |
Which coordinates are not of the vertices of the feasible region for the system of inequalities? 
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A. |
(0, 6) |
B. |
(5, 4) |
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C. |
(2, 4) |
D. |
(5, 1) |
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Hint |
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9. |
Find the perimeter of triangle ABC. |
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A. |
(4w + 8) in. |
B. |
(8w + 9) in. |
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C. |
(4w + 22) in. |
D. |
(8w + 8) in. |
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Hint |
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10. |
Simplify (4r - s) - (r + 2s) + (3r - s). |
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A. |
6r - 3s |
B. |
8r |
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C. |
3r - 2s |
D. |
6r - 4s |
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Hint |
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11. |
Find the slope of the line below. |
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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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12. |
Solve the system of equations. –2x + 3y = 7
4x – 6y = 8. |
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A. |
y = –22, x = –31 |
B. |
y = –22, x = –36.5 |
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C. |
y = –22, x = 29.5 |
D. |
no solution |
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Hint |
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13. |
Solve the system of equations 3x – 5y = 4
–2x + 4y = 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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14. |
At a firm, there are three workers that are supposed to work a combined 110 hours per week. Worker 1 is supposed to work 5 hours more than worker 2, and worker 2 is supposed to work 15 hours more than worker 3. How long should each one work? |
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A. |
worker 1: 40worker 2: 45worker 3: 25 |
B. |
worker 1: 45worker 2: 35worker 3: 30 |
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C. |
worker 1: 45worker 2: 40worker 3: 25 |
D. |
worker 1: 42.5worker 2: 37.5worker 3: 30 |
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Hint |
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15. |
Evaluate  |
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A. |
37 |
B. |
–51 |
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C. |
–654 |
D. |
111 |
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Hint |
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16. |
Evaluate  |
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A. |
–38 |
B. |
38 |
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C. |
128 |
D. |
–128 |
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Hint |
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17. |
Determine whether the pair of matrices  are inverses. |
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A. |
yes, because each entry in the second matrix is the reciprocal of its corresponding entry in the first matrix. |
B. |
yes, because A · B = I. |
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C. |
no, because A · B  I |
D. |
no, because fractions cannot be a part of an inverse |
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Hint |
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18. |
Factor 4x2 – 49. |
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A. |
 |
B. |
 |
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C. |
(2x + 7)(2x – 7) |
D. |
 |
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Hint |
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19. |
In the expression q9 = p, what is the cube root of p? |
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A. |
 |
B. |
 |
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C. |
q6 |
D. |
q3 |
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Hint |
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20. |
Is the following expression simplified?  |
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A. |
no, since there is a radical in the denominator |
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B. |
yes, since the power on x is < 1 in the numerator |
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C. |
Yes, since the power on x is = 1 in the denominator. |
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D. |
no, since the index of 4 could be smaller |
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Hint |
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