Answer
$(-3,-1)$
Work Step by Step
When a point is rotated 180 degrees about the origin, the signs of each of its coordinates are flipped. Thus, we multiply each coordinate by -1 to get the new point: $(-3,-1)$.
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: 47a
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