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1. |
What is the difference between the highest and the lowest values? |
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A. |
80 |
B. |
75 |
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C. |
100 |
D. |
84 |
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Hint |
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2. |
Simplify 2a4 + 4a2 + a4. |
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A. |
3a4 + 4a2 |
B. |
3a8 + 4a2 |
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C. |
2a4 + 4a2 + a4 |
D. |
7a10 |
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Hint |
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3. |
Graph {all integers less than 5, but greater than -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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4. |
Find the difference -18 - 4. |
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A. |
14 |
B. |
-22 |
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C. |
-14 |
D. |
22 |
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Hint |
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5. |
Solve  |
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A. |
w =  |
B. |
w =  |
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C. |
w =  |
D. |
w = -1 |
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Hint |
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6. |
If the number 178,651 is rounded to 179,000 and plotted on a stem-and-leaf plot as 17|9, how would you display 151,205? |
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A. |
15|2 |
B. |
15|1 |
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C. |
151|2 |
D. |
1|51 |
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Hint |
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7. |
Which of the following is the x-intercept of the graph of 2x - y = 5? |
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A. |
-5 |
B. |
0 |
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C. |
 |
D. |
5 |
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Hint |
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8. |
Use elimination to solve the system of equations.
-x + 2y = 18
x + 8y = -38 |
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A. |
 |
B. |
(-22, -2) |
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C. |
 |
D. |
(-5, -1) |
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Hint |
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9. |
Which expression is a binomial? |
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A. |
-3xy |
B. |
5x2y + 4x – 6 |
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C. |
5x - 2 |
D. |
 |
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Hint |
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10. |
Arrange the terms of 4x2y3 – 2x4y + 3x3y2 – 3 + 2xy so that the powers of x are in descending order. |
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A. |
-3 - 2x4y + 3x3y2 + 4x2y3 + 2xy |
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B. |
– 2x4y + 3x3y2 + 4x2y3 + 2xy – 3 |
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C. |
4x2y3 + 3x3y2 - 2x4y + 2xy – 3 |
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D. |
-3 + 2xy + 4x2y3 + 3x3y2 - 2x4y |
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Hint |
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11. |
Factor 14x2 - 28y2 + 56 |
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A. |
14(x2 - 2y2 + 4) |
B. |
14(x2 - 14y2 + 42) |
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C. |
(2x + 7y + 2)(7x - 4y + 2) |
D. |
14xy(x - 2y + 4) |
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Hint |
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12. |
Factor 7xy2 - 28x3 |
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A. |
7x(y + 2x)(y - 2x) |
B. |
7x2y2(1 + x) |
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C. |
(7xy + x)(y – 28x2) |
D. |
prime |
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Hint |
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13. |
Solve  . |
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A. |
-4 |
B. |
-1 |
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C. |
-4, -1 |
D. |
no real solution |
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Hint |
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14. |
Solve –14n = -112. |
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A. |
n = -1568 |
B. |
n = 1568 |
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C. |
n = -8 |
D. |
n = 8 |
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Hint |
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15. |
Graph x – y < 5. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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16. |
Simplify ((22)3)4. |
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A. |
224 =16,777,216 |
B. |
220 = 1,048,576 |
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C. |
29 = 512 |
D. |
212 = 4096 |
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Hint |
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17. |
Factor 16b4 – 36b2. |
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A. |
4b2(4b – 3)(4b + 3) |
B. |
2b2(4b – 3)(4b + 3) |
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C. |
4b2(2b – 3)(2b + 3) |
D. |
2b2(2b – 3)(2b + 3) |
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Hint |
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18. |
Determine whether the trinomial 9x2 – 60x + 25 is a perfect square trinomial. If so, factor it. |
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A. |
It is prime. |
B. |
(3x – 5)(3x – 5) |
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C. |
(3x + 5)(3x + 5) |
D. |
(3x – 5)(3x + 5) |
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Hint |
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19. |
What is the value of x in the picture? |
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 |
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A. |
4 |
B. |
13.5 |
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C. |
6 |
D. |
10.3 |
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Hint |
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20. |
Vince ran a marathon in 3 hours. What was his speed in feet per second? (a marathon is 26.2 miles) |
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A. |
12.8 ft/sec |
B. |
38.4 ft/sec |
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C. |
768.5 ft/sec |
D. |
16.7 ft/sec |
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Hint |
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