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1. |
If f(x) = [2x - 1], find f(5.4). |
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A. |
9 |
B. |
8 |
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C. |
9.8 |
D. |
10 |
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Hint |
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2. |
Choose the graph of y < 2x. |
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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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3. |
Find the dimensions of A6 × 3 · B3 × 1. |
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A. |
6 × 1 |
B. |
6 × 3 |
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C. |
3 × 3 |
D. |
3 × 1 |
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Hint |
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4. |
Use synthetic division to find  |
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A. |
 |
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B. |
2d3 - d2 + 2d - 4 + 5 |
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C. |
 |
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D. |
 |
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Hint |
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5. |
Write the fourth root of 625. |
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A. |
4(625) |
B. |
5 |
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C. |
 |
D. |
6254 |
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Hint |
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6. |
The volume of the cube is 512 cubic centimeters. What is the length of one side? |
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A. |
8 cm |
B. |
23 cm |
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C. |
170 cm |
D. |
256 cm |
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Hint |
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7. |
Solve x2 - 4x - 5 = 0 by factoring. |
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A. |
1, -5 |
B. |
1, 5 |
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C. |
-1, 5 |
D. |
-1, -5 |
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Hint |
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8. |
Solve x2 + 3x - 10 = 0 by completing the square. |
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A. |
2, 5 |
B. |
-5, 2 |
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C. |
2 |
D. |
5 |
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Hint |
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9. |
Solve x2 - 6x + 10 = 0 by completing the square. |
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A. |
2, 4 |
B. |
3 ± i |
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C. |
-3 ± i |
D. |
1 ± i |
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Hint |
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10. |
Approximate the real zero of f(x) = x3 + x + 1 to the nearest tenth. |
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A. |
-0.7 |
B. |
-1.3 |
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C. |
0.3 |
D. |
-1.0 |
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Hint |
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11. |
Approximate the real zero of h(x) = 2x4 - 3x2 + x + 1 to the nearest tenth. |
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A. |
-1.5, 0.9 |
B. |
-0.3 |
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C. |
-1.3, -0.5 |
D. |
1.6 |
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Hint |
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12. |
Find g[f(-2)], if f(x) = x2 and g(x) = 3x – 5. |
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A. |
-17 |
B. |
-44 |
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C. |
-7 |
D. |
7 |
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Hint |
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13. |
Solve the equation | 4k + 6 | = 5k + 3. |
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A. |
-1 |
B. |
3 |
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C. |
{-1, 3} |
D. |
 |
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Hint |
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14. |
Which of the following systems of equations is not consistent and independent? |
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A. |
7y + x = 9 3y + 9x = 4 |
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B. |
–y – 5x = 1 4y + 3x = 8 |
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C. |
y + 4x = 10 6y + 24x = 60 |
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D. |
2y + 4x = 3 7y + 5x = 18 |
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Hint |
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15. |
Two sides of an angle are contained in lines whose equations are 6x + 4y = 15 and 7x – 9y = 3. Find the coordinates of the vertex of the angle. Round to the nearest hundredth. |
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A. |
(1.79, 1.06) |
B. |
(147, 87) |
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C. |
(–147, –87) |
D. |
(–1.79, 1.06) |
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Hint |
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16. |
Determine whether the expression x + y + z is a monomial, binomial, or trinomial. |
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A. |
Cannot be determined from given information. |
B. |
trinomial |
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C. |
binomial |
D. |
monomial |
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Hint |
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17. |
Solve  |
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A. |
 |
B. |
36 |
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C. |
18 |
D. |
no real solution. |
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Hint |
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18. |
Which graph best represents the function  ? |
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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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19. |
Write an equation for the ellipse shown. |
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A. |
 |
B. |
 |
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C. |
 |
D. |
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Hint |
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20. |
What is the equation of the hyperbola whose vertices are at (-4, 1) and (2, 1), and whose conjugate axis is of length 4 units? |
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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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