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Find y if the point (-6,y) is on the line that passes through (-1,7) and (-3, -2).

 Jun 9, 2021
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First find the equation of the line: 

slope of line is (-2-7)/(-3-(-1)=9/2

in point slope form: y-7=9/2(x+1)

                               y-7=9/2x+9/2

                               y=9/2x+23/2

substitute x

y=9/2(-6)+23/2

y=-31/2

 Jun 9, 2021

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