What’s the correct answer for this?

asked Sep 17, 2021 108k views

2 votes

by JonyD

7.8k points

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1 vote

Answer:

FIRST option is the correct answer

Explanation:

First option is the correct answer.

$(x+11)^2 + (y+ 6)^2 = 324\\ (x+11)^2 + (y+ 6)^2 = 18^2 \\$

Equating it with:

$(x-h)^2 + (y-k)^2 = r^2 \\- h = 11\implies h = - 11\\- k= 6\implies k = - 6\\Center = (-h, \: - k) = (11,\: 6)\\r^2 = 18^2 \\Radius= 18\: units$

Tasmin answered Sep 22, 2021

7.9k points

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