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

 May 5, 2020
 #1
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First....find  the  slope of the line  =  [ -2 -7] / [3 - -1] = -9/4

 

Next  we  can write  the equation of the line  using either point

 

y = (-9/4) ( x - 3) - 2

 

And  when  x  =  - 6

 

y = (-9/4) (- 6 - 3) - 2

 

y = (-9/4) (-9) - 2

 

y = 81/4  - 2

 

y = 81/4  - 8/4

 

y = 73/4

 

 

cool cool cool

 May 5, 2020

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