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Mathematics

Grade-8

Easy

Question

Reflection of point (1, 3) in y = - x is

(- 3, - 1)
(- 3, 1)
(3, - 1)
(3, 1)

The correct answer is: (- 3, - 1)

we know the reflection of the point (x, y) across the line y= -x is the point (-y, -x)
so, Reflection of point (1, 3) in y = - x is = ( -3 , -1) answer

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