Chapter 2 Linear Equations and Functions - 2.6 Draw Scatter Plots and Best-Fitting Lines - 2.6 Exercises - Mixed Review - Page 120: 47

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Given: $x+3y=15$ $3y=-x+15$ $y=\frac{-1}{3}x+5$ The y-intercept is $5$. Plot a point $(0,5)$. Find the x-intercept: $0=\frac{-1}{3}x+5$ $\frac{1}{3}x=5$ $x=15$ Plot another point $(15,0)$. Draw a line through 2 points.