SOLUTION: Find the equation of the line which passes through the points (-1,4) and ( -3,-4).

Algebra ->  Graphs -> SOLUTION: Find the equation of the line which passes through the points (-1,4) and ( -3,-4).      Log On


   

Question 683025: Find the equation of the line which passes through the points (-1,4) and (
-3,-4).
Answer by ReadingBoosters(3246) About Me  (Show Source):
You can put this solution on YOUR website!
1. Find slope: %28x1-x2%29%2F%28y1-y2%29+=+%284--4%29%2F%28-1--3%29+=+8%2F2+=+4
...
2. Use slope with one point in point-slope formula
y - 4 = 4(x--1)
y - 4 = 4(x+1)
y - 4 = 4x + 4
y = 4x + 4 + 4
highlight_green%28y+=+4x+%2B+8%29

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