Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

Published by Pearson
ISBN 10: 0-32193-104-1
ISBN 13: 978-0-32193-104-7

Appendix A - Review - A.4 Factoring Polynomials - A.4 Assess Your Understanding - Page A40: 85


the polynomial $x^2 + 4x + 16$ is prime.

Work Step by Step

To factor the second-degree polynomial $x^2 + 4x + 16$, we have to find integers whose product is $16$ and whose sum is $4$. But there are no such factors, so the polynomial $x^2 + 4x + 16$ is prime.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.