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1. |
Graph the function f(n) = n2. Which statement is true? |
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A. |
The graph is a smooth curve going through points (-3, 9), (-2, 4),
(0, 0), (2, 4), and (3, 9). |
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B. |
The graph is a smooth curve going through points (-3, -6), (-2, -4),
(0, 0), (2, 4), and (3, 6) |
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C. |
The graph is a straight line going through points (-3, 9), (-2, 4),
(0, 0), (2, 4), and (3, 9). |
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D. |
The graph is a straight line going through points (-3, 6), (-2, 4),
(0, 0), (2, -4), and (3, -6). |
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Hint |
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2. |
Simplify the polynomial 7x - 2y. |
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A. |
5x |
B. |
5xy |
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C. |
5y |
D. |
7x - 2y |
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Hint |
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3. |
Add 3x2 + 2x - 1 and x2 - 3x + 5. |
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A. |
2x2 + 5x + 4 |
B. |
4x2 - x + 4 |
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C. |
4x2 + 5x - 4 |
D. |
2x2 - 5x - 6 |
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Hint |
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4. |
Find a7 · a4 |
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A. |
a11 |
B. |
(2a)11 |
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C. |
a3 |
D. |
(2a)3 |
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Hint |
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5. |
Write a polynomial for the model. |
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A. |
4x2 + 6x + 4 |
B. |
-4x2 + 6x + 4 |
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C. |
-4x2 + 4 |
D. |
-4x2 – 6x – 4 |
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Hint |
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6. |
Find the sum of (-2x2 – 2x – 2) and (-15x2 + 13x + 11). |
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A. |
-17x2 + 13x + 9 |
B. |
17x2 – 11x – 9 |
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C. |
-17x2 – 11x + 9 |
D. |
-17x2 + 11x + 9 |
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Hint |
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7. |
Find the difference of (7x2 + 12x – 5) and (5x2 – x + 1). |
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A. |
2x2 + 11x – 6 |
B. |
2x2 + 11x – 4 |
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C. |
2x2 + 13x – 6 |
D. |
12x2 + 11x – 4 |
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Hint |
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8. |
Find (10x – 9) – (2x – 11). |
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A. |
8x + 2 |
B. |
8x + 20 |
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C. |
8x – 2 |
D. |
8x – 20 |
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Hint |
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9. |
Which graph represents a nonlinear 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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10. |
Which situation represents a linear function? |
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A. |
The area A of a square with side s. |
B. |
The volume V of a cube with side s. |
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C. |
The area A of a circle with radius r. |
D. |
The perimeter P of a regular pentagon with side s. |
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Hint |
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11. |
Find the graph of y = -0.5x2. |
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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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12. |
Find  . |
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A. |
815 |
B. |
85 |
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C. |
82 |
D. |
12 |
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Hint |
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13. |
Find -9q(6q - 2). |
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A. |
-54q2 + 18q |
B. |
-54q + 18 |
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C. |
-54q2 + 11q |
D. |
-54q2 - 18q |
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Hint |
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14. |
Find -10b(8b2 - 4). |
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A. |
-80b2 + 40b |
B. |
-80b3 + 40 |
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C. |
-18b2 + 14b |
D. |
-80b3 + 40b |
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Hint |
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