Which are the center and radius of the circle with this equation? x^2 - 4x + y^2 + 2y = 0

asked Aug 28, 2021 213k views

0 votes

Which are the center and radius of the circle with this equation?
x^2 - 4x + y^2 + 2y = 0

by Hayha

4.6k points

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7 votes

Answer:

C = (2, - 1)

$r \: = \: √(5)$

Explanation:

Look at the picture

Makkusu answered Aug 31, 2021

4.3k points

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