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1. |
Simplify 6a + 15a. |
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A. |
21a2 |
B. |
21a |
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C. |
6a + 15a |
D. |
42a |
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Hint |
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2. |
Which graph matches the following statement? The outside temperature rises steadily to 85° at 3 p.m., then drops steadily to 65° at 8 p.m.. |
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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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3. |
Evaluate  when a = 5 and b = 20. |
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A. |
 |
B. |
25 |
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C. |
-5 |
D. |
5 |
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Hint |
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4. |
Write a power that represents the number of small squares in the large square. |
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A. |
25 |
B. |
5 × 5 |
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C. |
5 × 2 |
D. |
52 |
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Hint |
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5. |
Which line has a slope of  and passes through (2, -4)? |
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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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6. |
The area of the rectangle shown below is 4x3y2, and its base b is 2x5y. Find the height, h. |
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A. |
2x2y |
B. |
8x8y3 |
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C. |
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D. |
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Hint |
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7. |
Factor xy – 6 + 2y – 3x. |
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A. |
(x – 2)(y – 3) |
B. |
x(y – 3) + 2(y – 3) |
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C. |
(x + 2)(y – 3) |
D. |
(xy – 3x) + (2y – 6) |
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Hint |
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8. |
Factor 7xy2 - 28x3 |
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A. |
7x2y2(1 + x) |
B. |
prime |
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C. |
(7xy + x)(y – 28x2) |
D. |
7x(y + 2x)(y - 2x) |
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Hint |
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9. |
Rico took a survey to find out the number of family members in each of his classmates' households. The results of the survey are shown in the graph. How many more students said they have 2 family members in their household than 6? |
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A. |
5 |
B. |
10 |
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C. |
15 |
D. |
20 |
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Hint |
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10. |
Find  |
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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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11. |
Parallelogram WXYZ has vertices W(2, -2), X(6, -2), Y(3, -5), and Z(-1, -5). Find the coordinates of the vertices of the image if the parallelogram is translated 4 units to the left and 7 units up. |
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A. |
W´(6, -9), X´(10, -9), Y´(7, -12), Z´(3, -12) |
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B. |
W´(-2, -9), X´(2, -9), Y´(-1, -12), Z´(-5, -12) |
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C. |
W´(-2, 5), X´(2, 5), Y´(-1, 2), Z´(-5, 2) |
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D. |
W´(6, 5), X´(10, 5), Y´(7, 2), Z´(3, 2) |
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Hint |
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12. |
Triangle DEF has vertices D(-6, -1), E(-4, -8), and F(-2, -5). Find the coordinates of the image of triangle DEF after it is rotated 180° about the origin. |
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A. |
D´(6, 1), E´(4, 8), F´(2, 5) |
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B. |
D´(1, 6), E´(8, 4), F´(5, 2) |
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C. |
D´(-1, -6), E´(-8, -4), F´(-5, -2) |
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D. |
D´(1, -6), E´(8, -4), F´(5, -2) |
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Hint |
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13. |
Find f(-11) if f(x) = -3x – 25. |
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A. |
-8 |
B. |
8 |
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C. |
-58 |
D. |
58 |
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Hint |
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14. |
Solve –6x – 12 > -18. |
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A. |
x < 1 |
B. |
x > 1 |
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C. |
x > 5 |
D. |
x < 5 |
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Hint |
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15. |
Write and solve an inequality for the following: 5 times a number minus 7 is less than 118. |
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A. |
x < 25 |
B. |
x > 25 |
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C. |
x < 625 |
D. |
x > 625 |
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Hint |
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16. |
Solve  |
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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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17. |
Solve  or  |
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A. |
{x| x < 15} |
B. |
{x| x > 15} |
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C. |
{x| x < 12} |
D. |
{x| x > 12} |
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Hint |
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18. |
Use elimination to solve the system of equations given by 6x + 15y = 15 and 4x – 5y = 25. |
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A. |
infinitely many solutions |
B. |
no solution |
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C. |
(10, -3) |
D. |
(5, -1) |
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Hint |
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19. |
Which expression is equivalent to ((32)4)3? |
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A. |
816 |
B. |
99 |
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C. |
2712 |
D. |
96 |
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Hint |
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20. |
Find the product (2x - 3)(2x2 + 5x - 1). |
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A. |
8x2 – 17x – 3 |
B. |
4x3 + 4x2 – 17x – 3 |
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C. |
4x3 + 4x2 – 17x + 3 |
D. |
8x2 – 17x + 3 |
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Hint |
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