Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 5 - Polynomials and Factoring - 5.4 Factoring Perfect-Square Trinomials and Differences of Squares - 5.4 Exercise Set - Page 332: 4


none of these

Work Step by Step

The given expression, $ x^2-5x+4 ,$ is not a perfect square trinomial because the third term is not a perfect square. It is not a difference of squares because it has $3$ terms. It is not a prime polynomial because it can be factored. Hence, among the choices, it is $\text{ none of these .}$
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