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Find an equation of the circle with the center and radius: (-3,1);5

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Find an equation of the circle with the center and radius: (-3,1);5
asked Mar 17, 2014 in ALGEBRA 2 by chrisgirl Apprentice

1 Answer

+1 vote

Center of circle ( h , k ) = ( -3 , 1 )

Radius of circle (r ) = 5

Standard form of circle equation is (x - h )^2 + ( y - k )^2 = r ^2.

Substitute the values in equation.

( x - (-3))^2 + ( y - 1 )^2 = 5^2

Required circle equation is (x + 3)^2 + (y - 1 )^2 = 25.

answered Mar 17, 2014 by ashokavf Scholar

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