Factor P(x) into linear factors given that k is a zero of P.P(x) = 10x3 + 63x2 + 62x - 15; k = 
A. P(x) = (5x + 1)(2x + 3)(x - 5)
B. P(x) = (5x - 1)(2x - 3)(x - 5)
C. P(x) = (5x + 1)(2x + 1)(x - 15)
D. P(x) = (5x - 1)(2x + 3)(x + 5)
Answer: D
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Find the expected value.Suppose that 1,000 tickets are sold for a raffle that has the following prizes: one $300 prize, two $100 prizes, and one hundred $1 prizes. What is expected value of a ticket?
A. $300 B. $0.60 C. $1 D. $100
Solve the problem.Find the unknown number given the following description:If 9 is subtracted from a number, then the result is at least 4.
A. All numbers less than or equal to 13 B. All numbers greater than or equal to -5 C. All numbers less than or equal to 5 D. All numbers greater than or equal to 13
Determine the scalar c so that the vectors v and w are orthogonal or parallel as indicated.v = 
, w = 
; orthogonal
A. c = 12
B. c = 
C. c = -12
D. c = -6
Write the complex number in polar form. Express the argument ? in degrees, with 0 ? ? ? 360°.-
- i
A. 
(cos 315° + i sin 315°)
B. 
(cos 225° + i sin 225°)
C. 
(cos 45° + i sin 45°)
D. 
(cos 135° + i sin 135°)