Find the product of the complex numbers. Leave answer in polar form.z1 = 
z2 = 
A. 3
B. 3
(cos 0 + i sin 0)
C. 3
D. 3
(sin 0 + i cos 0)
Answer: B
Mathematics
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A. 
B. 
C. 
D. 
Mathematics
Decide whether the graph opens up or opens down.f(x) = -(x + 3)2 + 6
A. opens up B. opens down
Mathematics
Factor.x2 + 30x + 225
A. Prime B. (x + 15)2 C. (x - 15)2 D. (x + 15)(x - 15)
Mathematics
Write an equation of the line with the given slope, m, and y-intercept (0, b).m = 
, b = -1
A. y = - 
x + 1
B. y = - 
x - 1
C. y = 
x - 1
D. y = 
x + 1
Mathematics