Compare values of P(x) = x^3 - 2x^2 - 5x +6 over x+1and P(x) = x^3 - 2x^2 - 5x +6 over x−1 with the values of P(1) and P(-1). What conclusion can you draw from these? d. Which is a factor of P(x), x-1 or x+1? Explain. Which is a root of P(x), 1 or –1? Explain.

Compare values of P(x) = x^3 - 2x^2 - 5x +6 over x+1and P(x) = x^3 - 2x^2 - 5x +6 over x−1 with the values of P(1) and P(-1). What conclusion can you draw from these? d. Which is a factor of P(x), x-1 or x+1? Explain. Which is a root of P(x), 1 or –1? Explain.

College Algebra

10th Edition

ISBN:9781337282291

Author:Ron Larson

Publisher:Ron Larson

Chapter5: Exponential And Logarithmic Functions

Section: Chapter Questions

Problem 10CT

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Question

c. Compare values of P(x) = x^3 - 2x^2 - 5x +6 over x+1and P(x) = x^3 - 2x^2 - 5x +6 over x−1 with the values of P(1) and P(-1).
What conclusion can you draw from these?

d. Which is a factor of P(x), x-1 or x+1? Explain.
Which is a root of P(x), 1 or –1? Explain.

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