if A= (1,-2), b= (-2,3), c= (2,-5) are the vertices of a triangle, find the equation of altitude AM
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Step-by-step explanation:
let AM is the altitude drawn from A to BC
M is the midpoint of BC
M=(-2+2/2;3-5/2)
M=( 0,-1)
equation of AM is
slope of the line AM is -1+2/0-1 [y2-y1/x2-x1]
slope m =-1
equation is.
(y-y1)=m(x-x1)
[y-(-2)]=(-1)(x-1)
y+2=-x+1
x+y+1=0 is the equation of AM
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