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1. |
Solve 15 + a = 10. |
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A. |
a = 25 |
B. |
a = 150 |
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C. |
a = -25 |
D. |
a = -5 |
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Hint |
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2. |
Solve  |
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A. |
n = 2 |
B. |
n =  |
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C. |
n =  |
D. |
n = 9 |
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Hint |
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3. |
Evaluate 34. |
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A. |
12 |
B. |
81 |
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C. |
64 |
D. |
3 |
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Hint |
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4. |
Evaluate:  when x = 3, y = 2, and z = 19. |
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A. |
 |
B. |
2 |
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C. |
19 |
D. |
1 |
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Hint |
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5. |
What is the probability of selecting a red or yellow marble from a bag that contains 20 red marbles, 15 yellow marbles, and 35 green marbles? |
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A. |
 |
B. |
 |
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C. |
1:1 |
D. |
 |
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Hint |
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6. |
If y varies directly as x and y = 35 when x = 5, find y when x = 11. |
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A. |
41 |
B. |
7 |
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C. |
77 |
D. |
 |
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Hint |
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7. |
Which graph represents a function? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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8. |
If g(x) = x2 + 3x - 2, find g(-2). |
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A. |
8 |
B. |
4 |
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C. |
-12 |
D. |
-4 |
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Hint |
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9. |
Use elimination to solve the system given below.
4x + 3y = -20
x + 3y = 4 |
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A. |
(-8, 4) |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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10. |
Evaluate (3.2 × 10-5)(5.4 × 109). Express the result in scientific notation. |
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A. |
0.1728 × 106 |
B. |
1.728 × 105 |
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C. |
1.728 × 103 |
D. |
17.28 × 104 |
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Hint |
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11. |
Find –8x3y2(3xy4 – 2x5 – y). |
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A. |
–24x4y6 - 16x8y2 + 8x3y3 |
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B. |
–5x4y6 - 10x8y2 - 9x3y3 |
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C. |
–24x4y6 + 16x15y2 + 8x3y3 |
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D. |
–24x4y6 + 16x8y2 + 8x3y3 |
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Hint |
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12. |
The circle graph shows the percent of Ms. Jackson's students who earned an ''A'' for each of the four grading periods during a school year. If Ms. Jackson taught 150 total students, how many students earned an ''A'' during the first quarter? |
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A. |
27 |
B. |
60 |
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C. |
15 |
D. |
48 |
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Hint |
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13. |
Graph 2x + 3y = 9. |
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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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14. |
Find the next three terms of the arithmetic sequence 101, 93, 85, 77, …. |
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A. |
70, 63, 56 |
B. |
71, 65, 59 |
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C. |
68, 59, 50 |
D. |
69, 61, 53 |
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Hint |
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15. |
Write an equation of the line shown in the graph. |
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 |
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A. |
y = -2x – 5 |
B. |
y = -2x + 5 |
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C. |
y = 2x + 5 |
D. |
y = 2x – 5 |
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Hint |
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16. |
A rental car company charges $75 for a 3-day rental and $155 for a 7-day rental. Write an equation to find the amount that the rental car company will charge for any number of days. |
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A. |
y = 80x – 165 |
B. |
y = 20x |
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C. |
y = 20x + 15 |
D. |
y = 80x |
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Hint |
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17. |
Solve x – 72 > 21. |
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A. |
x > 93 |
B. |
x > 51 |
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C. |
x > -93 |
D. |
x > -51 |
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Hint |
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18. |
A boat travels 30 miles upstream in 4 hours. The trip downstream takes 2.5 hours. Find the rate of the boat in still water. |
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A. |
9.75 mph |
B. |
6.92 mph |
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C. |
2.25 mph |
D. |
9.23 mph |
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Hint |
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19. |
Simplify ((22)3)4. |
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A. |
29 = 512 |
B. |
220 = 1,048,576 |
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C. |
224 =16,777,216 |
D. |
212 = 4096 |
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Hint |
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20. |
Express 2.38 × 106 in standard notation. |
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A. |
238,000 |
B. |
0.000000238 |
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C. |
2,380,000 |
D. |
0.00000238 |
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Hint |
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