How do you write an equation of a circle with center (-5, 3) and radius of 4?

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Answer 1 · 2018-05-28T01:46:51

#(x+5)^2+(y-3)^2=16#

The equation of a circle is given by

#(x-a)^2+(y-b)^2=r^2#

Where #a# and #b# are our coordinates, and #r# is our radius. We know:

#a=-5#

#b=3#

#r=4#

So we can plug everything in. We get

#(x+5)^2+(y-3)^2=16#

as our final answer.

Hope this helps!