Answer the question.Suppose that k, a, b, and c are real numbers and that the polynomial function P may be expressed in factored form as 
. If b2 - 4ac = -70, determine the number of real and imaginary zeros that P has.
A. 3 real zeros, 0 imaginary zeros
B. 2 real zeros, 2 imaginary zeros
C. 2 real zeros, 1 imaginary zero
D. 1 real zero, 2 imaginary zeros
Answer: D
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Complete the identity.
= ?
A. 1 B. 0 C. tan x D. 2
Factor the trinomial completely.36x2 - 21x - 30
A. 3(3x + 2)(4x - 5) B. (9x + 6)(4x - 5) C. 3(3x - 2)(4x + 5) D. (3x + 2)(12x - 15)
Find the product or quotient, as indicated. Leave your answer in trigonometric form.Find the product of z1 and z2.z1 = 6(cos 70° + i sin 70°), z2 = 3(cos 195° + i sin 195°)
A. 18(cos 70° + i sin 70°) B. 18(cos 13,650° + i sin 13,650°) C. 18(cos 265° + i sin 265°) D. 9(cos 265° + i sin 265°)
Find the quadratic function y = f(x) that has the given vertex and whose graph passes through the given point.vertex 
; passing through 
A. y = 7(x + a)2 - 
B. y = 7(x - a)2 - 
C. y = 7(x + a)2 + 
D. y = 7(x - a)2 + 