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1. What is one of the factors of 3x2 + 7x + 2?
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a (x + 3)
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| b (x + 1) |
| c (3x + 2)
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d (x + 2)
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e nota
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2. What is one of the factors of 16x3 +
80x2
+ 96x
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a (x + 2)
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b (x + 1)
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c (x + 6)
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d nota
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5.5
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3. What is one of the factors of 2x3 - 8x after it is completely factored??
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| a (x - 36)
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b (x - 2) |
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c (x + 6) |
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d nota |
4. What is one of the factors of x3 + 8
after it is completely factored??
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| a (x - 2) |
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b (x - 8) |
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c (x2 - 2x + 4) |
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d (x2 - 4x + 4)
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| e nota |
| 5.6 |
| 5. What is one of the factors
of x3 - 5x2 - 4x + 20 ?
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| a (x + 5) |
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b (x - 2) |
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c x2 + 4 |
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d x2 + 2 |
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e nota
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| 6. What is one of the factors of 6x2
- 24 after it is completely factored?
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| a (x - 66) |
| b 6 |
| c (x - 2) |
| d (x - 1) |
| e nota
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| 5.7
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7.
Determine the x-intercepts of y = x2 - 2x - 8 .
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a (0,-4) and (0,2) |
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b (4,0) and (-2,0) |
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c (-4,0) and (2,0) |
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d (0,4) and (0,-2) |
| e nota |
| 8. Solve by factoring: x2
+ 2x = -x - 2 . Answers: x = -2,-1 |
| 6.1 |
| 9. Simplify by factoring and
cancelling: (x3 - 2x2 - x
+ 2)/(x + 1) . Answer: (x -2)(x -1) |
10. Simplify.
Answer: 7/9 |
| 6.2 |
| 11. Subtract.
7/(15x) - 5/(24x2) = (56x - 25)/(120x2
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| 12. Subtract. 7
- 1/(x -1) = (7x - 8)/(x - 1) |
| 13. Extra Credit. Subtract.
7 - 1/x = (7x - 1)/x |
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