Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 9 - Roots and Radicals - Chapters 1-9 Cumulative Review Problem Set - Page 433: 60



Work Step by Step

The slope-intercept form equation of a straight line is $y=mx+b$, where $m$ is the slope. To find the slope of the line $4x-7y=12$, we rearrange the equation in the form $y=mx+b$: $4x-7y=12$ $-7y=-4x+12$ $7y=4x-12$ $y=\frac{4x-12}{7}$ $y=\frac{4x}{7}-\frac{12}{7}$ Comparing this equation with $y=mx+b$, we find that $m=\frac{4}{7}$.
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