#### 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.
$$20=(-4)^2 + 2^2 \\ 20=16+4 \\ 20=20$$

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Published by
Cengage Learning

ISBN 10:
9781337271172

ISBN 13:
978-1-33727-117-2

a. No
b. Yes

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