Find the indicated root and express the answer in standard form.Square roots of -1 + i
A. 
- 
i, - 
+ 
i
B. 6 - 2i, -6 - 2i
C. 
+ i
, - 
- i
D. 
+ 
i, - 
- 
i
Answer: D
Mathematics
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Solve the problem.Evaluate sin-1 
.
A. ?
B. Undefined
C. 
D. 0
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Factor.8a3 - 125b3
A. (2a - 5b)(4a2 + 10ab + 25b2) B. (2a + 5b2)(4a2 - 10ab + 25b2) C. (2a - 5b)(4a2 + 25b2) D. (8a - 5b)(a2 + 10ab + 25b2)
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Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.logb (yz3)
A. 3 logb y + 3 logb z B. 3 logb yz C. logb y + 3 logb z D. logb y + logb3z
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Solve the equation.ex - 1 = 
x + 4
A. 
B. 
C. 
D. 
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