Answer
A(-b, a)
Work Step by Step
The image of C(a,b) after a 90 degree rotation CCW about the origin is A(-b,a). This answer can be found through hands-on rotation of an image.
Elementary Geometry for College Students (5th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Brooks Cole
ISBN 10:
1439047901
ISBN 13:
978-1-43904-790-3
Chapter 10 - Section 10.1 - The Rectangular Coordinate System - Exercises - Page 458: 46a
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