Write the complex number in polar form. Express the argument ? in degrees, with 0 ? ? ? 360°.-5i
A. 5(cos 90° + i sin 90°)
B. 5(cos 0° + i sin 0°)
C. 5(cos 180° + i sin 180°)
D. 5(cos 270° + i sin 270°)
Answer: D
You might also like to view...
Provide the requested response.Suppose that a polynomial function of degree 4 with rational coefficients has 
as zeros. Find the other zeros.
A. 3 - 5i , -5 - 
B. 3 - 5i , 5 + 
C. -3 - 5i , 5 + 
D. -3 - 5i , -5 - 
Find the quantity indicated.Suppose that y is varies directly with x. When x = 15, then 
Find y when 
A. 225 B. 342 C. 361 D. 324
The function graphed is of the form y = a sin bx or y = a cos bx, where b > 0. Determine the equation of the graph.
A. y = -5 cos (2x)
B. y = 5 cos (2x)
C. y = 5 sin 
D. y = 5 cos 
Find the requested composition or operation.f(x) = 8x + 8, g(x) = 3x - 2Find (fg)(x).
A. 11x2 + 8x + 6 B. 24x2 - 16 C. 24x2 + 8x - 16 D. 24x2 + 22x - 16