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

Chapter 2 - Linear and Quadratic Functions - Section 2.1 Properties of Linear Functions and Linear Models - 2.1 Assess Your Understanding - Page 126: 7


slope; y-intercept

Work Step by Step

As we learnt from page 119, $m$, the coefficient of x, is the slope or gradient of the linear graph. It is the average rate of change of y with respect to x. $b$ is the y-intercept of the graph. It is the value of the graph when $x=0$, or the point where the graph intersects with the y-axis.
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