What is the Center and radius of a Circle

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fnzzzzTyro

Asked: April 12, 20212021-04-12T06:04:33+00:00 2021-04-12T06:04:33+00:00In: Calculus and Trigonometry, High School/Senior Secondary School

Circle

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Sengemegz · Accepted Answer · 2021-04-12T07:03:42+00:00

Best Answer

Sengemegz Moderator

This answer was edited.

$(x+4)^{2}+(x+1)^{2}=9$

The general equation of a circle is given as

$(x-a)^{2}+(x-b)^{2}=r^{2}$

By comparison

$a=-4, b=-1$ and $r=\sqrt {9}=3$

$\therefore$ center (-4, -1) and radius =3

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