armicroburst armicroburst

13-06-2016
Mathematics

contestada

The point (-3,5) has been reflected so that the image is at (5,-3) what is the line of reflection?

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CecilXCarlos CecilXCarlos

04-10-2016

Let M the middle of AB
M=((-3+5)/2,(5+(-3))/2)=(1,1)
Slope of AB= (-3-5)/(5+3)=-8/8=-1
Slope of the perpendicular : -1*?=-1=>?=1
Equation :y-1=1*(x-1)==>y=x

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