Answer
(a) Yes
(b) Yes
Work Step by Step
(a) $x + 2y = 2$ when ($4, -1$)?
$$(4) + 2(-1) = 2$$ $$4 - 2 = 2$$ $$TRUE$$
(b) $x - 2y = 6$ when ($4, -1$)?
$$(4) - 2(-1) = 6$$ $$4 + 2 = 6$$ $$TRUE$$
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter 4 - Exponential and Logarithmic Functions - Exercise Set 4.5 - Page 508: 83
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