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1. |
Solve 2(y - 9) < 6. |
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A. |
{y | y > -6} |
B. |
{y | y < 12} |
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C. |
{y | y < 6} |
D. |
{y | y > 12} |
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Hint |
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2. |
A best-fit line is drawn on a scatter plot showing the average daily temperature and the number of people at a public swimming pool. The slope of the line would probably be ________ |
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A. |
positive. |
B. |
negative. |
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C. |
undefined. |
D. |
zero. |
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Hint |
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3. |
If g(x) = |x + 3|, find g(-7). |
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A. |
10 |
B. |
-7 |
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C. |
-4 |
D. |
4 |
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Hint |
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4. |
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. |
1995 |
B. |
1990 |
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C. |
1985 |
D. |
1980 |
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Hint |
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5. |
Solve the system of inequalities by graphing. 
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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 (3a - 1)(5a + 6). |
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A. |
15a2 + 13a + 6 |
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B. |
15a2 + 13a - 6 |
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C. |
15a2 - 5a - 6 |
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D. |
15a + 13a -6 |
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Hint |
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7. |
Express  using exponents. |
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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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8. |
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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9. |
Solve  |
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A. |
no solution |
B. |
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C. |
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D. |
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Hint |
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10. |
Solve the equation a2 + 4a = -3 by graphing or by factoring. |
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A. |
-3, -1 |
B. |
-3, 1 |
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C. |
-1, 3 |
D. |
1, 3 |
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Hint |
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11. |
What is the degree of the polynomial p(x) = 2x5 - 6x4 + 2x2 + 7x - 9? |
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A. |
2 |
B. |
4 |
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C. |
5 |
D. |
3 |
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Hint |
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12. |
Find f(x + h) for f(x) = x2 + 2x. |
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A. |
x2 + 2x + h |
B. |
x2 + 2x + 2h |
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C. |
x2 + 2xh + h2 + 2x + 2h |
D. |
x2 + 2xh + h2 + 2x |
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Hint |
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13. |
How many possible negative real zeros are there for the polynomial
g(x) = 2x4 + x3 - 4x + 1? |
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A. |
3 |
B. |
2 |
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C. |
5 |
D. |
1 |
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Hint |
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14. |
Which equation is in quadratic form? |
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A. |
3x3 + 3x + 3 = 0 |
B. |
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C. |
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D. |
x4 - x2 + x - 1 = 0 |
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Hint |
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15. |
Which pair of functions are inverses? |
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A. |
f(x) = 4x, g(x) = -4x |
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B. |
f(x) = 2x + 1,
g(x) = 2x - 1 |
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C. |
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D. |
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Hint |
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16. |
Solve the equation | 3a + 2 | - 2 = 4a + 1. |
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A. |
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B. |
-1 |
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C. |
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D. |
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Hint |
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17. |
Solve the inequality | f | > 4. |
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A. |
{f | -4 < f < 4} |
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B. |
{f | -4 > f > 4} |
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C. |
{f | f > -4 or f < 4} |
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D. |
{f | f < -4 or f > 4} |
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Hint |
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18. |
What is always true of an n × n matrix? |
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A. |
It is a row matrix. |
B. |
It is a square matrix. |
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C. |
It has at least two rows and two columns. |
D. |
It is a column matrix. |
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Hint |
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19. |
Solve the system of equations 7x – 14y =4, 3x – 6y =17. |
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A. |
(3, –2) |
B. |
(2, 1) |
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C. |
no unique solution |
D. |
infinite solutions |
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Hint |
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20. |
If a = 2 and the vertex is (3, -4), will there be a minimum or maximum value for the parabola? What is the value? |
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A. |
maximum, –4 |
B. |
maximum, 3 |
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C. |
minimum, –4 |
D. |
maximum, –3 |
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Hint |
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