Find the center and the radius of the circle then graph the circle (x+4)2 +(y-1)2=4
Mathematics · Middle School · Tue Nov 03 2020
llm
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For finding the center and the radius of the circle
(x+4)^2 +(y-1)^2=4
We compare with the equation of the circle (x-a)^2+(y-b)^2=r^2
Where a, b is a point of center and r is the radius.
We get this by comparing both equations
a=-4,b=1, and the radius r=2