Solve the equation. Write the answer in a + bi form.x2 + 8 = 0
A. 
+ 
i, - 
- 
i
B. 2 + 2i, -2 - 2i
C. 2
i, -2
i
D. 2i, -2i
Answer: C
Mathematics
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Simplify. Assume that all variables are nonzero.
A. Undefined
B. 
C. 7
D. 0
Mathematics
Provide an appropriate response.Find the diameter of a circle whose circumference is 25 ft (round to the nearest hundredth).
Fill in the blank(s) with the appropriate word(s).
Mathematics
What part of the set of objects is shaded?
A. 
B. 
C. 
D. 
Mathematics
Factor the polynomial. If the polynomial is prime, so state.x2 - x - 72
A. (x + 8)(x - 9) B. (x + 1)(x - 72) C. (x + 9)(x - 8) D. prime
Mathematics