4. For each of the following polynomial equations, determine if x = 1 is a root. (a) x³2x²-3x-2=0 (c) 3x4x² + 2x - 4 = 0 (b) 2x³x²+x-2=0 5. Find the rational roots, if any, of the following: (a) x³ 4x²-x+6=0 (b) 8x³+6x² 3x-1=0 - (c) x³ + x²-x-1=0 (d) x4 - 6x³ + 73x² - x -2=0
4. For each of the following polynomial equations, determine if x = 1 is a root. (a) x³2x²-3x-2=0 (c) 3x4x² + 2x - 4 = 0 (b) 2x³x²+x-2=0 5. Find the rational roots, if any, of the following: (a) x³ 4x²-x+6=0 (b) 8x³+6x² 3x-1=0 - (c) x³ + x²-x-1=0 (d) x4 - 6x³ + 73x² - x -2=0
Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter4: Complex Numbers
Section4.2: Complex Solutions Of Equations
Problem 7ECP: Find the cubic polynomial function f with real coefficients that has 1 and 2+i as zeros, and f2=2.
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