1
Solve for x
The
value for x is between
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a 0 and 3
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| b 3 and 6 |
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c 6 and 9
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d -3 and 0
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e nota
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2. Solve for x
The
value for x is between
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a 0 and 1
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b 1 and 2
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c 2 and 3
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d nota
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3. Solve for x
The
value of x is between
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b 0 and 3 |
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c 3 and 6 |
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d nota |
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7.7
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4.
add: (3 - i) + ( 5 - 9i)
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| a 8i -
10 |
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b 8 - 10i |
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c 2 |
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d nota
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5. multiply
(3 - i)·( 5 - 9i)
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| a -6 -32i |
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b 6i - 32 |
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c 6 - 32i |
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d 6 + 32i |
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e nota
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6. divide
(3 - i)/( 5 + 9i)
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| a (6 - 32i)/(-56) |
| b (6 - 32i)/106 |
| c (6 - 32i)/56 |
| d nota |
| 8.1
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7.
complete the square:
x2 - 10x
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a x2 - 10x + 100 |
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b x2 - 10x - 25 |
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c x2 - 10x + 25 |
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d x2 + 10x - 25 |
| e nota |
| written problems: |
8. Solve by completing the square:
x2 + 6x = 16. |
9. Solve by completing the square:
x2 + 6x = 5. |
| 8.2 |
| 10. Solve using the quadratic
formula.
x2 + 8x + 15 = 0 |
| 11. Solve using the quadratic formula.
x2 - 3x - 8 = 0 |
| 12. Compute the discriminant x2 - 3x +
8 = 0. How many solutions are there? Are they real or imaginary? |
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