Add or subtract.[(3 + 2i) - (3 + 8i)] - (2 - 2i)
A. 8 + 8i
B. 8 - 4i
C. -2 - 4i
D. -2 + 8i
Answer: C
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Write in exponential form.5 ? 5 ? 5 ? 5 ? 5 ? 5
A. 5 ? 6 B. 30 C. 65 D. 56
Determine the real zeros of the polynomial and their multiplicities. Then decide whether the graph touches or crosses the x-axis at each zero.f(x) = 2(x2 + 1)(x + 5)2
A. -5, multiplicity 2, crosses x-axis B. -5, multiplicity 2, touches x-axis C. -1, multiplicity 1, crosses x-axis; -5, multiplicity 2, touches x-axis D. -1, multiplicity 1, touches x-axis; -5, multiplicity 2, crosses x-axis
Find the fourth roots of
Write the roots in trigonometric form.
a. 
b. 
c. 
d. 
e. 
Solve the problem.Plot the point 
and find other polar coordinates (r, ?) of the point for which:(a) r > 0, -2? ? ? < 0(b) r < 0, 0 ? ? < 2?(c) r > 0 2? ? ? < 4? 
What will be an ideal response?