SOLUTION: Find the equation of the line that passes through the points (-2, 1) and (1, -2)

Question 887888: Find the equation of the line that passes through the points (-2, 1) and (1, -2)
Answer by 2897696(96) (Show Source): You can put this solution on YOUR website!
first find the slope of the line rise/run or y1-y2/x1-x2:
1--2/-2-1 =m
1+2/-3=m
3/-3=m
-1=m
next plug any of the two points into the point formula: y-y1=m(x-x1):
i am going to pick (-2,1) because i feel like it:
y-1=-1(x--2)
y-1=-1(x+2)
y-1=-x-2
y=-x-1 <==this is in slope form
to make it into standard form put it so ax+by=c
x+y=-1
ANSWER: y=-x-1 or x+y=-1
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