SOLUTION: Find the symmetric point of P (1,1) according to the straight r: x-2y-4 = 0

SOLUTION: Find the symmetric point of P (1,1) according to the straight r: x-2y-4 = 0

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Question 1071534: Find the symmetric point of P (1,1) according to the straight r: x-2y-4 = 0
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!

The line perpendicular to this line going through (1,1) is,

Find the intersection of those two lines,

Then,

(2,-1)
So distance from (1,1) to (2,-1) is the same as the distance from (2,-1) to the symmetric point,
x:
y:
.
.
.

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