jaiivo93 jaiivo93

07-03-2018
Mathematics

contestada

The point (5, -2) is rotated 90° about the origin. Its image is
a.(-2, 5)
b.(2, 5)
c.(-5, 2)

Respuesta :

choixongdong choixongdong

07-03-2018

rotated 90° about the origin
(x,y) = (-y, x)

so (5, -2) is rotated 90° about the origin = (2, 5)

answer
b.(2, 5)

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