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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. |
{(-4, 35), (5, 52)} |
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D. |
{(-2, 11), (-3, 20)} |
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Hint |
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2. |
Model the monomial 4x2 |
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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. |
After a baseball is hit, the expression -16x2 + 59x can be used to determine the height of the ball after x seconds if it is propelled upward at 59 feet per second. Find the height of the ball after 3 seconds by evaluating the expression for x = 3. |
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A. |
33 feet |
B. |
0 feet |
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C. |
43 feet |
D. |
54 feet |
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Hint |
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4. |
Find (2x2 - 3x + 1) + (3x2 - x - 5). |
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A. |
5x2 + 4x - 4 |
B. |
5x2 - 4x + 4 |
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C. |
5x2 + 4x - 4 |
D. |
5x2 - 4x - 4 |
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Hint |
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5. |
Find (6r + 3s) - (2r - s). Then evaluate the difference if r = 2 and s = -1. |
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A. |
-4 |
B. |
4 |
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C. |
0 |
D. |
5 |
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Hint |
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6. |
What is the opposite of -4x? |
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A. |
4x |
B. |
-4 |
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C. |
4 |
D. |
-4x |
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Hint |
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7. |
Find x4(x2 - 3) |
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A. |
x6 - 3x2 |
B. |
x8 - 3x4 |
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C. |
x6 - 3x4 |
D. |
x6 + 3x4 |
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Hint |
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8. |
Write a polynomial for the model. |
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A. |
4x2 + 6x + 4 |
B. |
-4x2 – 6x – 4 |
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C. |
-4x2 + 6x + 4 |
D. |
-4x2 + 4 |
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Hint |
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9. |
Add 2x2 + 6x + 3 and 5x2 + x + 7. |
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A. |
7x2 + 7x + 3 |
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B. |
7x4+ 7x2 + 10 |
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C. |
7x2 + 7x + 10 |
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D. |
7x2 + 5x + 10 |
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Hint |
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10. |
Which graph represents a linear 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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11. |
Which equation represents a linear function? |
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A. |
y = -2x6 |
B. |
y = - |
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C. |
y = -2x2 - 6 |
D. |
y = -2x - 6 |
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Hint |
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12. |
Find . |
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A. |
85 |
B. |
12 |
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C. |
82 |
D. |
815 |
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Hint |
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13. |
Venus is approximately 107 miles from Earth. Pluto is approximately 109 miles from Earth. About how many times farther away from Earth is Pluto than Venus? |
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A. |
104, or 10,000 times |
B. |
102, or 100 times |
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C. |
101, or 10 times |
D. |
103, or 1,000 times |
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Hint |
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14. |
Find 5x(2x2 - 6x + 12). |
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A. |
10x3 - 30x2 - 60x |
B. |
10x3 - 30x + 60 |
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C. |
10x3 - 30x2 + 60x |
D. |
10x2 - 30x + 60 |
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Hint |
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