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1. |
What is the value of |-101|? |
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A. |
-101 |
B. |
0 |
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C. |
101 |
D. |
10.1 |
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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. |
Express 0.091 in scientific notation. |
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A. |
9.1 × 10-2 |
B. |
9.1 × 101 |
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C. |
9.1 × 102 |
D. |
9.1 × 10-1 |
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Hint |
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4. |
Find  |
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A. |
9y2 |
B. |
81y |
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C. |
9|y3| |
D. |
9y |
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Hint |
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5. |
Solve the system of equations.
y = 2x + 3
y2 - x2 = 24 |
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A. |
(-5, -7), (1, -5) |
B. |
(0, 3) |
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C. |
(5, 7) |
D. |
(-5, -7), (1, 5) |
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Hint |
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6. |
Solve x2 - 4x - 5 = 0 by factoring. |
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A. |
-1, -5 |
B. |
1, 5 |
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C. |
1, -5 |
D. |
-1, 5 |
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Hint |
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7. |
Solve x2 - 6x = 0 by graphing or by factoring. |
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A. |
-6 |
B. |
0, 6 |
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C. |
0 |
D. |
-6, 0 |
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Hint |
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8. |
Suppose a ball is thrown straight up at a speed of 50 feet per second. The time in seconds that it takes for the ball to hit the ground can be found by solving the equation 5 + 50t - 16t2 = 0. Approximately how long does it take for the ball to hit the ground? |
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A. |
4.8 s |
B. |
-0.1 s |
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C. |
0.1 s |
D. |
3.2 s |
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Hint |
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9. |
Which is not a root of z3 + 8 = 0? |
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A. |
 |
B. |
2 |
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C. |
 |
D. |
-2 |
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Hint |
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10. |
Solve  |
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A. |
7 |
B. |
10 |
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C. |
 |
D. |
 |
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Hint |
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11. |
What is Sn if a1 = 27.5, d = 1.5, and n = 35? |
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A. |
1855 |
B. |
1245 |
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C. |
98,175 |
D. |
2152.5 |
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Hint |
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12. |
Find C(10, 3). |
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A. |
144 |
B. |
80 |
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C. |
34 |
D. |
120 |
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Hint |
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13. |
What is the GCF of  |
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A. |
p2 |
B. |
n |
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C. |
3n |
D. |
np |
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Hint |
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14. |
Which of the following is prime? |
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A. |
7x2 – y2 |
B. |
3xy + 13x2 |
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C. |
5xy>2 + 10y |
D. |
3x2 – 6y |
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Hint |
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15. |
Solve x2 + 14x + 49 = 0 by using the quadratic formula. |
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A. |
6, 16 |
B. |
–3, –8 |
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C. |
7, –18 |
D. |
3, 8 |
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Hint |
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16. |
What is the domain and range of  ? |
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A. |
D: 
R:  |
B. |
D:
R:  |
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C. |
D: 
R: |
D. |
D:
R: |
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Hint |
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17. |
Chavez needs to buy gasoline every week for a year (52 weeks). The first week he spends $10.00. If the amount he spends increases by $0.10 every week, how much will he spend on gasoline this year? |
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A. |
$652.60 |
B. |
$657.80 |
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C. |
$572 |
D. |
$667.80 |
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Hint |
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18. |
Which of the following series is not infinite? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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19. |
Which measure of central tendency should be used to represent the set of data {45, 78, 79, 80, 82, 82, 83, 99}? |
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A. |
mean |
B. |
median |
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C. |
mode |
D. |
standard deviation |
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Hint |
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20. |
Which of the following situations will not result in one single solution? |
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A. |
A is acute, a = b sin A |
B. |
A is acute, a < b sin A |
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C. |
A is acute,  |
D. |
A is obtuse, a > b |
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Hint |
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