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1. |
Graph the solution set of |3y + 9| > 12. |
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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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2. |
The equations y = -0.38x + 56.6 and y = 0.38x + 43.4 represent the percent of men and women, respectively, receiving bachelor's degrees, where x is the number of years since 1968. In approximately what year did the same percent of men and women receive bachelor's degrees? |
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A. |
1985 |
B. |
1980 |
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C. |
1995 |
D. |
1990 |
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Hint |
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3. |
What is the solution of the system of inequalities? 
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A. |
 |
B. |
region 2 |
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C. |
region 1 |
D. |
region 3 |
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Hint |
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4. |
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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5. |
For the determinant  , which is the minor of -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. |
Find the determinant of  |
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A. |
-11 |
B. |
0 |
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C. |
-16 |
D. |
-21 |
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Hint |
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7. |
Solve x2 - 6x = 0 by graphing or by factoring. |
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A. |
-6, 0 |
B. |
0 |
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C. |
0, 6 |
D. |
-6 |
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Hint |
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8. |
Find f(-2) for f(x) = 2x4 - x3 + 5x + 1. |
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A. |
-57 |
B. |
31 |
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C. |
-29 |
D. |
-21 |
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Hint |
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9. |
How many possible negative real zeros are there for the polynomial
g(x) = 2x4 + x3 - 4x + 1? |
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A. |
5 |
B. |
2 |
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C. |
3 |
D. |
1 |
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Hint |
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10. |
Determine the inverse of the function  |
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A. |
2x - 2 |
B. |
2x + 2 |
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C. |
2x + 1 |
D. |
x + 2 |
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Hint |
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11. |
A line of fit is drawn on a scatter plot showing the number of pets owned by automobile owners and the number of miles driven each month. What would probably be the best description of the slope of this line? |
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A. |
zero |
B. |
negative |
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C. |
positive |
D. |
undefined |
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Hint |
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12. |
Which of the following is not a vertex of the figure formed by  |
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A. |
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B. |
(0, 2) |
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C. |
(2, –1) |
D. |
(6, 4) |
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Hint |
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13. |
If  and  find 3A + 2B. |
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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. |
Which method of finding solutions would work best to find the solutions to the system 12.4x – 3.66y = 12.19, 3.9x + 6.17y = 19.28, and why? |
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A. |
elimination, because 6.17 is a factor of 3.66 |
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B. |
Cramer's Rule, because there are fewer calculations. |
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C. |
elimination, because Cramer's Rule doesn't apply to this problem |
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D. |
Cramer's Rule, because none of the other methods will correctly solve the problem |
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Hint |
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15. |
Find the axis of symmetry of the following function:  |
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A. |
x =  |
B. |
x = 7 |
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C. |
x = –7 |
D. |
x =  |
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Hint |
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16. |
If a graph represents an even-degree polynomial function, what cannot be true? |
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A. |
It could open downward. |
B. |
It could have a negative leading coefficient and  as  . |
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C. |
It could have 1 real root. |
D. |
It could be true that as ,. |
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Hint |
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17. |
Graph  . Then estimate the coordinates at which the relative maxima and relative minima occur. |
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A. |
minimum: 1, maximum: –3 |
B. |
minimum: 1,maximum: –5 |
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C. |
minimum: –5,maximum: 1 |
D. |
minimum: –3,maximum: 1 |
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Hint |
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18. |
For what value(s) of x is  undefined? |
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A. |
6, 7 |
B. |
6 |
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C. |
–1 |
D. |
7, –1 |
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Hint |
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19. |
Suppose r varies jointly with p and q. If p increases and q decreases, what will happen to r? |
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A. |
It increases. |
B. |
It decreases. |
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C. |
Cannot be determined from given information. |
D. |
It stays the same. |
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Hint |
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20. |
Which of the following types of functions may have a hole? |
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A. |
rational |
B. |
square root |
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C. |
quadratic |
D. |
absolute value |
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Hint |
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