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1. |
Name the multiplicative inverse of 5. |
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A. |
-5 |
B. |
0.2 |
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C. |
50 |
D. |
20 |
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Hint |
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2. |
Solve |4x + 2| + 6 = 0. |
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A. |
 |
B. |
-2 |
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C. |
1 |
D. |
2 |
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Hint |
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3. |
Which equation describes graph A? |
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A. |
y = | x - 1 | |
B. |
y = 2.25| x | - 1 |
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C. |
y = | 2.25x | |
D. |
y = 2.25x - 1 |
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Hint |
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4. |
Solve the system of inequalities by graphing. 
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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5. |
What is the solution of the system of inequalities? 
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A. |
region 2 |
B. |
region 1 |
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C. |
region 4 |
D. |
region 3 |
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Hint |
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6. |
A baker earns 15¢ profit per glazed doughnut g, and 40¢ profit per jelly doughnut j. If a customer wants to buy no more than a dozen doughnuts and wants to try at least one of each kind, what is the maximum profit the baker can earn? |
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A. |
$4.55 |
B. |
$3.30 |
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C. |
$4.80 |
D. |
$1.80 |
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Hint |
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7. |
Express 45,280,000 in scientific notation. |
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A. |
45.28 × 106 |
B. |
4.528 × 107 |
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C. |
4.528 × 106 |
D. |
4.528 × 10-7 |
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Hint |
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8. |
Write the fourth root of 625. |
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A. |
5 |
B. |
4(625) |
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C. |
6254 |
D. |
 |
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Hint |
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9. |
Find the coordinates of the foci of an ellipse with equation  |
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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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10. |
Solve  |
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A. |
-1, 4 |
B. |
1, 4 |
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C. |
0 |
D. |
-1 |
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Hint |
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11. |
Solve 4x = 22 to three decimal places. |
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A. |
3.961 |
B. |
3.414 |
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C. |
5.500 |
D. |
2.230 |
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Hint |
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12. |
Write an equation in slope-intercept form for the line that has a slope of 2 and passes through (-4, -6). |
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A. |
y = 2x + 2 |
B. |
y = 2x + 8 |
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C. |
y = 2x - 8 |
D. |
y = 2x - 2 |
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Hint |
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13. |
A quadratic function has two real roots. How many times does the graph cross the x-axis? |
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A. |
cannot be determined from given information. |
B. |
1 |
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C. |
2 |
D. |
0 |
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Hint |
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14. |
Solve  by graphing. |
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A. |
{x| –1.19 < x < 4.19} |
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B. |
{x| 4.19< x < –1.19} |
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C. |
{x| –1.19 < x < 0} |
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D. |
{x| 0 < x < 4.19} |
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Hint |
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15. |
If a graph represents an odd-degree polynomial function, what must be true? |
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A. |
As  ,  |
B. |
It may not have any real roots. |
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C. |
It must have at least three roots. |
D. |
It must pass through the x-axis. |
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Hint |
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16. |
What is the equation of the hyperbola whose vertices are at (2, -9) and (2, 7), and whose foci are at (2, -11) and (2, 9)? |
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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. |
What is the major difference between hyperbolas and parabolas? |
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A. |
In parabolas, one of the squared terms has a coefficient that is = 0. |
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B. |
Parabolas are always a function of x, while hyperbolas are not a function of either. |
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C. |
Hyperbolas have the potential to be wider than parabolas. |
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D. |
Hyperbolas are connected, while parabolas are not. |
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Hint |
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18. |
Which of the following types of functions is always continuous on its domain? |
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A. |
rational |
B. |
inverse variation |
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C. |
greatest integer |
D. |
square root |
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Hint |
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19. |
What type of function is y = 2? |
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A. |
constant |
B. |
rational |
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C. |
absolute value |
D. |
direct variation |
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Hint |
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20. |
Use log 3 4  1.26 to approximate the value of log 3 108. |
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A. |
3.78 |
B. |
2.38 |
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C. |
4.26 |
D. |
36 |
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Hint |
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