SOLUTION: What is the equation of the line that contains the points with (x,y) coordinates (�3,7) and (5,�1) ?

Question 413067: What is the equation of the line that contains the points with (x,y) coordinates (�3,7) and (5,�1) ?

Found 2 solutions by shree840, rfer:
Answer by shree840(260) (Show Source): You can put this solution on YOUR website!
Points are (-3,7) and (5,-1)
m=(y2-y1)/(x2-x1)= (-1-7)/(5--3)
-8/8=-1 we substitute m=-1 on the eq y=mx=b
y=-1x+b if the line is passing through both the points
both point should satisfy the eq
checking at -3,7
7=-1(-3)+b
7= -4+b
b=11
ans y=-1x+11
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
slope m=(-1-7)/(5--3)
m=-8/8=-1
y=mx+b
-3=-1*5+b
-3=-5+b
b=2
-------------
y=-x+2
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