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Use the graph to find the slope and y-intercept of the line. Compare the values to the equation y= -3x+ 1

Use The Graph To Find The Slope And Yintercept Of The Line Compare The Values To The Equation Y 3x 1 class=

Sagot :

The y-intercept is at the point where the line cut the y-axis.

Hence, the y-intercept is 1

[tex]\begin{gathered} \text{Slope}=\frac{y_2-y_1}{x_2-x_1} \\ m=\frac{3-0}{-1-0} \\ m=\frac{3}{-1}=-3 \end{gathered}[/tex]

Hence, the slope is -3

Comparing the values to the equation y = =-3x +1, the equation is valid for the line.

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