2017 SSC CGL 17 Aug Shift-2

Question 90

What is the reflection of the point (4 , -3) in the line y = 1?

Solution

Reflection of point (x,y) in line y=a is (x,-y+2a)

Now, Reflection of point (4,-3) in line y=1

= [4,3+2(1)]=(4,5)

=> Ans - (B)

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