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

 Apr 13, 2021
 #1
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Slope of  the line   =  ( -2 - 7)  / (3 - - 1)   =   -9 / 4

 

Using  (3,-2)....the  equation  of the  line  is

 

y  = -(9/4)  (x - 3) -  2   

 

When x  = - 6

 

y  = (-9/4) ( -6 - 3)  -  2   =  (-9/4)(-9)  - 2   =  81/4  - 8/4   =   73 / 4

 

 

cool cool cool

 Apr 13, 2021

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