Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 2 Linear Equations and Functions - 2.2 Find Slope and Rate of Change - 2.2 Exercises - Problem Solving - Page 88: 4b



Work Step by Step

By using the slope formula, the minimum slope of the roof is: $m=\frac{y_2-y_1}{x_2-x_1}=\frac{3}{12}=\frac{1}{4}.$ The slope of the roof is $\frac{3}{8}$ and $\frac{3}{8}\gt\frac{1}{4}$, thus the roof satisfies the building code.
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