Write a fourth-degree polynomial equation with real coefficients and the roots 4, 2, i.
What will be an ideal response?
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Use elimination to solve each system of equations, if possible. Identify the system as consistent or inconsistent. If the system is consistent, state whether the equations are dependent or independent. 
+ 
= 4
- 2y = 21
A. (-6, -8); consistent and independent B. (6, 8); consistent and independent C. (-6, 8); consistent and independent D. (6, -8); consistent and independent
Factor completely. If a polynomial cannot be factored, say it is prime.x3 + 9x2 + x + 9
A. (9x2 + 9)(x + 1) B. (x2 + 1)(9x + 9) C. (x2 + 9)(x + 1) D. (x2 + 1)(x + 9)
Multiply the polynomials using the special product formulas. Express the answer as a single polynomial in standard form.(5x - 11y)2
A. 5x2 - 110xy + 121y2 B. 5x2 + 121y2 C. 25x2 - 110xy + 121y2 D. 25x2 + 121y2
Solve.A small business owner made $40,000 the first year he owned his store and made an additional 
over the previous year in each subsequent year. Find how much he made during his fourth year of business. Find his total earnings during the first four years. (Round to the nearest cent, if necessary.)
A. $8.64; $42,552.64 B. $262,144.00; $632,384.00 C. $47,640.64; $174,984.64 D. $163,840.00; $370,240.00