Viviana105551 Viviana105551
  • 03-07-2019
  • Mathematics
contestada

Write the equation that contains the point (3, -9), and in which the graph of the line has a slope of 4 in slope-intercept form.

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jdoe0001 jdoe0001
  • 04-07-2019

[tex]\bf (\stackrel{x_1}{3}~,~\stackrel{y_1}{-9})~\hspace{10em} slope = m\implies 4 \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-(-9)=4(x-3) \\\\\\ y+9=4x-12\implies y=4x-21[/tex]

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