jordansimonedupree jordansimonedupree

10-01-2021
Mathematics

contestada

What is the image of the point (-9, 1) after a rotation of 90° counterclockwise about
the origin?

Respuesta :

jimrgrant1 jimrgrant1

10-01-2021

Answer:

(- 1, - 9 )

Step-by-step explanation:

Under a counterclockwise rotation about the origin of 90°

a point (x, y ) → (- y, x ) , so

(- 9, 1 ) → (- 1, - 9 )

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