Answer
a. No
b. Yes
Work Step by Step
We plug in each point to see if they satisfy the equation:
a. $$ 20=(3^2) +(-2)^2 \\ 20 =9+4 \\ 20\ne 13$$
b.
$$20=(-4)^2 + 2^2 \\ 20=16+4 \\ 20=20$$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 1 - 1.1 - Graphs of Equations - 1.1 Exercises - Page 78: 13
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