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What is the equation of a circle with center (2,-3) and radius 3?

User Mshildt
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1 Answer

5 votes

Answer:

(x-2)²+(y+3)²=9

Explanation:

We know that the formula for the area of the circle is:

(x-h)²+(y-k)²=r²

-h,k being the center coordinates

-r being the radius

In this case, (2,-3) are the center coordinates and 3 the radius, so simply plug these into the equation giving us:

(x-2)²+(y+3)²=9

User David Diez
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