Answer
B(-a, -b)
Work Step by Step
The image of C(a, b) after a 180 degree rotation CCW about the origin is B(-a, -b). This answer can be found through hands-on rotation of an image.
Elementary Geometry for College Students (7th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Cengage
ISBN 10:
978-1-337-61408-5
ISBN 13:
978-1-33761-408-5
Chapter 10 - Section 10.1 - The Rectangular Coordinate System - Exercises - Page 451: 48b
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