Find the requested polynomial. Find a polynomial function of degree 3 with 5, 2i, -2i as zeros.
A. f(x) = x3 - 5x2 + 4x - 20
B. f(x) = x3 + 5x2 + 4ix + 20i
C. f(x) = x3 - 5ix2 + 4x + 20
D. f(x) = x3 - 5x2 - 4x + 20
Answer: A
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Factor the trinomial, or state that the trinomial is prime. Check your factorization using FOIL multiplication.x2 + 5x - 14
A. (x - 7)(x + 2) B. (x + 7)(x - 2) C. (x - 7)(x + 1) D. prime
Solve the problem using the table below.In addition to the base coverage, options can be added including: identity theft/fraud protection-$20/yr; sewer/sump pump backup protection-$75/yr. Extended coverage endorsements include jewelry, watches, and furs-$0.85/$100/year; camera equipment-$1.35/$100/year; computer equipment-$0.95/$100/year; fine art and collectibles-$1.10/$100/year; firearms and accessories-$1.45/$100/year; and portable tools-$3.25/$100/year.Cindy needs a $20,000 renters insurance policy and has selected the $1,000,000 liability with $500 deductible. The insurance company has determined her credit is excellent and has given her the "good"
credit rate. If she adds an endorsement to insure $5000 worth of jewelry and the options of and sewer/sump pump backup protection for her basement, find her annual premium.
A. $306.50
B. $231.50
C. $407.50
D. $291.50
Write the phrase as a mathematical expression. Use x to represent the number. Combine like terms if possible.Eight times a number added to -7, subtracted from twice the sum of eight times the number
A. 8(x - 7) - (2 + 8)(x - 6); 4 - 2x B. (-7 + 8x) - 2(8x - 6); 5 - 8x C. 2(8x - 6) - (-7 + 8x); -5 + 8x D. (2 + 8)(x + -6) - 8(x - 7); -4 + 2x
Find the equation that the given graph represents.
A. f(x) = (x + 6)4 B. f(x) = -x4 + 3x2 + 6 C. f(x) = x4 - 3x2 + 6 D. f(x) = -x3 - 6x2 - x + 6