Write the expression in the standard form a + bi.If z = 6 - 8i, evaluate z
.
A. 36 - 64i
B. 36 - 64i2
C. -28
D. 100
Answer: D
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Find all the local maxima, local minima, and saddle points of the function.
A. f(-5, -10) = 2249, local maximum; f(5, 10) = -2251, local minimum
B. f(5, 10) = -2251, local minimum; f(5, -10) = 1749, saddle point; f(-5, 10) = -1751, saddle point; 
local maximum
C. f(-5, -10) = 2249, local maximum
D. f(5, -10) = 1749, saddle point; f(-5, 10) = -1751, saddle point
Perform the indicated calculation. Express your answer using scientific notation.(9.3 × 10-4) ÷ (3.1 × 107)
A. 6 × 103 B. 3.0 × 103 C. 3.0 × 10-11 D. 6 × 10-11
Use DeMoivre's Theorem to write the expression in rectangular form.
3
A. 4
- 4
i
B. -4
- 4
i
C. 4
+ 4
i
D. -4 - 4
i
Find the prime factorization of the number. Write any repeated factors using exponents.792
A. 24 ? 3 ? 11 B. 23 ? 33 ? 11 C. 2 ? 34 ? 11 D. 23 ? 32 ? 11