Answer
A=(2,-a)
Work Step by Step
Points A and B have symmetry with respect to the x axis.
To find the coordinates of A if B is the point:
(2,a)
The coordinates of A is(2,-a)
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 456: 15c
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