## Intermediate Algebra (12th Edition)

Published by Pearson

# Chapter 4 - Section 4.2 - Adding and Subtracting Polynomials - 4.2 Exercises: 3

7; 1

#### Work Step by Step

A term is composed of a numerical coefficient and a variable. The numerical coefficient is the constant in front of the variable of a term. The degree of a term is the power to which the variable of the term is raised. Therefore, the numerical coefficient of $7z$ is 7. The degree of $7z$ is 1, because the variable $z$ is raised to a power of 1.

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