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1. |
If f(x) = [2x - 1], find f(5.4). |
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A. |
8 |
B. |
9.8 |
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C. |
10 |
D. |
9 |
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Hint |
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2. |
State the solution of the system of equations graphed below. |
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A. |
(0, 3) |
B. |
(-1, 3) |
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C. |
(3, 1) |
D. |
(3, -1) |
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Hint |
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3. |
The product  gives the coordinates of two points on line AB that has been rotated 90° counterclockwise about the origin. Name the coordinates of A' and B'. |
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A. |
A'(-1, 1), B'(1, -3) |
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B. |
A'(-1, -3), B'(1, 1) |
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C. |
A'(1, -3), B'(1, 1) |
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D. |
A'(1, 1), B'(-1, -3) |
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Hint |
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4. |
Simplify  |
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A. |
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B. |
k3 |
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C. |
k17 |
D. |
k-3 |
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Hint |
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5. |
 |
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A. |
x2 |
B. |
|x| |
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C. |
|x5| |
D. |
x |
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Hint |
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6. |
Simplify  |
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A. |
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B. |
27 |
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C. |
9 |
D. |
3 |
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Hint |
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7. |
Simplify (7 - 2i)(7 + 2i). |
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A. |
45 |
B. |
53 |
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C. |
33 |
D. |
49 |
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Hint |
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8. |
Find an equation of the line that passes through (0, -6) and (5, 3). |
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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. |
Find the radius of a circle with the equation x2 + y2 + 6x - 10y + 28 = 0. |
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A. |
5 |
B. |
6 |
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C. |
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D. |
3 |
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Hint |
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10. |
Find 4[p(x)] if p(x) = x2 - 3x + 2. |
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A. |
x2 - 12x + 2 |
B. |
16x2 - 12x + 2 |
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C. |
4x2 - 12x + 8 |
D. |
4x2 - 3x + 2 |
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Hint |
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11. |
Approximate the real zero of g(x) = x5 - x2 - 1 to the nearest tenth. |
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A. |
1.1 |
B. |
0.9 |
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C. |
1.2 |
D. |
1.0 |
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Hint |
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12. |
Suppose a plant grows one inch every year. If x is how old the plant is (in years), and f (x) is how tall the plant is (in inches), what type of function is f (x)? |
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A. |
constant function |
B. |
identity function |
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C. |
step function |
D. |
absolute value function |
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Hint |
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13. |
Solve  |
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A. |
(2, –1) |
B. |
(–1, 2) |
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C. |
(–2, 1) |
D. |
(1, –2) |
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Hint |
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14. |
What is the 4 × 4 identity matrix? |
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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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15. |
Which graph best represents the function  ? |
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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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16. |
Find the inverse of f(x) =  x – 3. |
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A. |
g(x) = 4x + 12 |
B. |
g(x) = x + 12 |
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C. |
g(x) = x + 3 |
D. |
g (x) = 4x + 3 |
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Hint |
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17. |
Write an equation for the ellipse shown. |
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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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18. |
Write an equation for the ellipse whose endpoints of its major axis are at (2, -7) and (2, 3), and that of its minor axis are at (-1, -2) and (5, -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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19. |
Solve the system   |
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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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20. |
What is the LCM of  and  . |
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A. |
(r – 1)(r + 3)(r + 9) |
B. |
r(r – 1)2(r + 3)(r + 9) |
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C. |
r(r – 1)(r + 3)(r + 9) |
D. |
(r – 1)2(r + 3)(r + 9) |
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Hint |
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