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 (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: 45a
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