Chapter 3 - Introduction to Graphing - Mid-Chapter Review - Mixed Review - Page 202: 18

$m=0$

Work Step by Step

Linear equations of the form $y=b$ where $b$ is a real number have a slope, $m$, equal to zero. Hence, the slope of the line with the given equation, $y=4$, is \begin{array}{l} m=0 .\end{array}

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