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how to find the slope of a vertical line. In order to find the slope of this line we will choose any two points on this line. Using Geoboards to Model Slope.
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But we cant divide by 0. Determine if the slope if positive increasing or negative decreasing Step Two. M Dy Dx vertical change horizontal cnahge yB yA xB xA m D y D x v e r t i c a l c h a n g e h o r i z o n t a l c n a h g e y B y A x B x A.
If this doesnt make sense let me give you an example.
A vertical line will have no slope and the slope is undefined or the line has no slope means that the line is vertical. The slope m m of the line through AxAyA A x A y A and BxByB B x B y B is determined by the following formula. Division by 0 0 is undefined. The slope of a VERTICAL line however is UNDEFINED.
