Big Ideas Math - Algebra 1, A Common Core Curriculum

Published by Big Ideas Learning LLC
ISBN 10: 978-1-60840-838-2
ISBN 13: 978-1-60840-838-2

Chapter 4 - Writing Linear Functions - 4.2 - Writing Equations in Point-Slope Form - Exercises - Page 185: 4

Answer

$y=-x+8$

Work Step by Step

The point-slope form of the line is $y-y_{1}=m(x-x_{1})$ Given: $m=-1$, $(x_{1},y_{1})=(3,5)$ Substituting the values, we get $y-5=-1(x-3)$ $\implies y=-x+3+5$ $\implies y=-x+8$ The equation is $y=-x+8$
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