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1. |
Consider the function y = 2x2 + 3. Which ordered pairs from the set {(-4, 35), (-3, 20), (-2, 11), (5, 52)} are solutions? |
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A. |
{(-4, 35), (-2, 11)} |
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B. |
{(-4, 35), (-3, 20)} |
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C. |
{(-2, 11), (-3, 20)} |
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D. |
{(-4, 35), (5, 52)} |
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Hint |
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2. |
Simplify 2x2 + 5x2 + 7x. |
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A. |
14x2 |
B. |
14x |
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C. |
2x2 + 12x |
D. |
7x2 + 7x |
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Hint |
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3. |
What is the opposite of -4x? |
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A. |
4x |
B. |
4 |
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C. |
-4x |
D. |
-4 |
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Hint |
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4. |
A rectangle is 7 feet longer than it is wide. If x represents the width, find the area of the rectangle. |
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A. |
x2 - 7x square feet |
B. |
7 square feet |
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C. |
x2 + 7x square feet |
D. |
8x square feet |
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Hint |
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5. |
Simplify x2 + 5x + 2 + (-4x) + 3x + (-5) + 3. |
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A. |
x2 + 4x + -3 |
B. |
x2 + 4x |
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C. |
x2 + 4x + 1 |
D. |
x2 + (-x) |
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Hint |
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6. |
Add 2x2 + 6x + 3 and 5x2 + x + 7. |
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A. |
7x4+ 7x2 + 10 |
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B. |
7x2 + 5x + 10 |
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C. |
7x2 + 7x + 10 |
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D. |
7x2 + 7x + 3 |
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Hint |
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7. |
Find (9x2 + 6x + 3) – (6x2 – 4x + 2) then evaluate the difference for x = -2.5. |
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A. |
18.75 |
B. |
-1.25 |
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C. |
44.75 |
D. |
-5.25 |
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Hint |
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8. |
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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9. |
Which equation represents a nonlinear function? |
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A. |
y = 5x + 1 |
B. |
y = 5 |
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C. |
y = 5x2 + 1 |
D. |
y = 5x |
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Hint |
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10. |
Find the equation that represents the graph. |
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A. |
y = -4x2 |
B. |
y = 2x2 |
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C. |
y = -2x2 |
D. |
y = 0.25x2 |
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Hint |
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11. |
Find the measure of Y in the figure. |
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A. |
90° |
B. |
125° |
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C. |
280° |
D. |
131° |
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Hint |
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12. |
Find 93 · 97. |
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A. |
921 |
B. |
910 |
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C. |
8110 |
D. |
8121 |
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Hint |
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13. |
Find the quotient of six to the twelfth power and six cubed. |
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A. |
69 |
B. |
636 |
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C. |
64 |
D. |
615 |
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Hint |
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14. |
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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