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 F - Foundations: A Prelude to Functions - Section F.3 Lines - F.3 Assess Your Understanding - Page 31: 91

Answer

a) The x-intercept is $3$ The y-intercept is $2$ b) See the graph below.

Work Step by Step

a) In order to find the $x$-intercept, let $y=0$ and we have to solve the equation. $2x+3y=6$ $2x+3(0)=6$ $2x=6$ $x=3$ The $x$-intercept is $3$ and the point $(3,0)$ is on the line. In order to find the $y$-intercept, let $x=0$ and we have to solve the equation. $2x+3y=6$ $2(0)+3y=6$ $3y=6$ $y=2$ The $y$-intercept is $2$ and the point $(0,2)$ is on the line. b) In order to sketch the line, we only have to plot the intercepts and connect them.
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