SOLUTION: Find the equation of a line passing through the given points. Write the equation in the form Ax+By=C. (-8,8) (-9, -7)

Algebra ->  Linear-equations -> SOLUTION: Find the equation of a line passing through the given points. Write the equation in the form Ax+By=C. (-8,8) (-9, -7)      Log On


   

Question 683664: Find the equation of a line passing through the given points. Write the equation in the form Ax+By=C.
(-8,8) (-9, -7)
Answer by ReadingBoosters(3246) About Me  (Show Source):
You can put this solution on YOUR website!
1. Find slope
%288--7%29%2F%28-8--9%29+=+%288%2B7%29%2F%28-8%2B9%29+=+15%2F1+=+15
...
2. Use slope and one point in point-slope formula
y - 8 = 15(x--8)
y - 8 = 15(x+8)
y - 8 = 15x + 120
y = 15x + 120 + 8
y = 15x + 128
highlight_green%28-15x+%2B+y+=+128%29
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