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1. |
Solve the equation  |
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A. |
a = 5 |
B. |
a =  |
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C. |
a =  |
D. |
a = 0 |
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Hint |
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2. |
Find the mean of {3, 8, 10, 1, 25}. |
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A. |
8 |
B. |
1 |
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C. |
9.4 |
D. |
9 |
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Hint |
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3. |
What are the odds of choosing a red marble from a bag that contains 20 red marbles, 15 yellow marbles, and 35 green marbles? |
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A. |
2:7 |
B. |
4:5 |
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C. |
4:7 |
D. |
2:5 |
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Hint |
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4. |
Name the quadrant that contains point Q. |
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A. |
IV |
B. |
I |
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C. |
III |
D. |
II |
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Hint |
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5. |
Which of the following is the x-intercept of the graph of 2x - y = 5? |
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A. |
5 |
B. |
-5 |
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C. |
 |
D. |
0 |
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Hint |
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6. |
Solve |4x - 7| = 13. |
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A. |
{x | x = 5} |
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B. |
{x | x = 5 or x = -5} |
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C. |
 |
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D. |
 |
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Hint |
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7. |
Use elimination to solve the system of equations given below.
3x + 4y = -12
x - y = 10 |
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A. |
(52, 42) |
B. |
(4, -6) |
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C. |
(28, 18) |
D. |
(-4, -14) |
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Hint |
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8. |
Simplify (4x2y) (2xy2z3)3. |
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A. |
8x5y7z9 |
B. |
32x5y7z9 |
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C. |
24x5y7z9 |
D. |
32x6y6z9 |
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Hint |
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9. |
Simplify x3y0z-2. |
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A. |
-x3yz2 |
B. |
 |
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C. |
 |
D. |
0 |
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Hint |
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10. |
Find –8x3y2(3xy4 – 2x5 – y). |
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A. |
–24x4y6 + 16x8y2 + 8x3y3 |
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B. |
–24x4y6 - 16x8y2 + 8x3y3 |
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C. |
–5x4y6 - 10x8y2 - 9x3y3 |
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D. |
–24x4y6 + 16x15y2 + 8x3y3 |
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Hint |
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11. |
Use the quadratic formula to solve 6x2 - x - 1 = 0. |
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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. |
Find the value of c that makes x2 + 16x + c a perfect square. |
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A. |
16 |
B. |
-64 |
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C. |
8 |
D. |
64 |
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Hint |
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13. |
Solve a2 - a - 20 = 0 by completing the square. |
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A. |
 |
B. |
 |
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C. |
-5, 4 |
D. |
-4, 5 |
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Hint |
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14. |
Identify the conclusion in the following statement: If 13b + 12 = 77, then b = 5. |
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A. |
13b + 12 |
B. |
b = 5 |
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C. |
b |
D. |
13b + 12 = 17 |
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Hint |
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15. |
Draw a graph of the ordered pairs in the table. |
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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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16. |
Solve 11b = 132. |
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A. |
b = 12 |
B. |
b = -12 |
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C. |
b = -1452 |
D. |
b = 1452 |
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Hint |
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17. |
Simplify  . |
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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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18. |
The sum of two numbers is 2, and the product is 3. What are the numbers? |
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A. |
–1 and 3 |
B. |
no solution |
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C. |
1 and 1 |
D. |
1 and –3 |
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Hint |
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19. |
Which of the following is not necessarily true concerning similar triangles? |
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A. |
The measures of their corresponding sides are proportional. |
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B. |
Each triangle has angles whose sum is 180°. |
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C. |
The measures of their corresponding angles are equal. |
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D. |
The measures of their corresponding sides are equal. |
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Hint |
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20. |
Solve  |
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A. |
m =  |
B. |
m = -1 |
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C. |
m = 1 |
D. |
m =  |
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Hint |
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