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1. |
Solve  |
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A. |
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B. |
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D. |
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Hint |
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2. |
Use the substitution method to solve m - n = 7 and 3m + 2n = 6. |
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A. |
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B. |
(-5, 2) |
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C. |
(-3, -10) |
D. |
(4, -3) |
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Hint |
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3. |
Solve the system of equations by using the elimination method. 
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A. |
(2, 3) |
B. |
(34, -13) |
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C. |
(12, -2) |
D. |
(4, 2) |
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Hint |
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4. |
Choose the graph that shows the solution to the system of inequalities  and  |
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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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5. |
Simplify  |
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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. |
Simplify  |
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A. |
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B. |
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C. |
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D. |
0 |
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Hint |
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7. |
Find the vertex of the graph of f(x) = x2 + 4x - 5. |
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A. |
(2, 7) |
B. |
(-2, -9) |
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C. |
(0, -5) |
D. |
(-2, 9) |
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Hint |
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8. |
Find the standard deviation of the data in the stem-and-leaf plot to the nearest hundredth. |
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A. |
11.74 |
B. |
228.50 |
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C. |
217.00 |
D. |
10.72 |
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Hint |
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9. |
Cynthia has 3 black rabbits and 4 white rabbits. She randomly picks 2 for her neighbor's grandson. Find the probability of picking 1 black rabbit and 1 white rabbit. |
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A. |
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B. |
92% |
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C. |
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D. |
55% |
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Hint |
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10. |
Solve the inequality 13 < -5x 3 < 17. |
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A. |
{x | -4 < x < 2} |
B. |
{x | 4 > x > -2} |
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C. |
{x | -2 < x < 4} |
D. |
{x | 2 < x < -4} |
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Hint |
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11. |
Simplify (7x2 + 2x 3) (2x2 11x + 4) |
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A. |
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B. |
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C. |
5x2 + 13x 7 |
D. |
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Hint |
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12. |
Simplify |
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A. |
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B. |
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C. |
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D. |
2 |
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Hint |
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13. |
What is the maximum number of turning points of a polynomial of degree 6? |
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A. |
7 |
B. |
6 |
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C. |
cannot be determined from given information. |
D. |
5 |
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Hint |
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14. |
What is an equation for a circle if the endpoints of a diameter are at (3, 4) and (-3, -2)? |
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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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15. |
For what value(s) of x is  undefined? |
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A. |
7, 1 |
B. |
1 |
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C. |
6, 7 |
D. |
6 |
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Hint |
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16. |
In a survey of 100 people, 65 liked the color blue, and 45 liked the color green. If 20 people disliked both green and blue, how many people liked both? |
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A. |
65 |
B. |
10 |
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C. |
15 |
D. |
30 |
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Hint |
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17. |
In order to determine the preferred shampoo of women, 100 men were asked what kind of shampoo their wives used. Assuming that each knew for sure what their wives used, is this a random sample? If not, why is it not? |
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A. |
no, because women change shampoo too frequently |
B. |
yes |
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C. |
no, because the study is only getting results about married women |
D. |
no, because the study is asking men |
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Hint |
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18. |
Eddie started running from his home, and headed west for 4 miles. Then he turned and headed northwest at an angle of 70° with respect to west. If he stayed on this road for 7 miles, how far away from home was he if he could take a straight path to his home? |
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A. |
10.8 miles |
B. |
9.2 miles |
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C. |
6.8 miles |
D. |
3.52 miles |
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Hint |
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19. |
Which expression is equivalent to sin  ? |
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A. |
cos (90° + ) |
B. |
sin (180° ) |
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C. |
cos (270° + ) |
D. |
cos ( + 180°) |
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Hint |
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20. |
Which of the following contains a false solution to the equation sin cot cos 2 = 0? |
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A. |
0° and 180° |
B. |
0° and 270° |
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C. |
90° |
D. |
90° and 270° |
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Hint |
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