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30-07-2017
Mathematics

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Write the equation of a circle with a center at (–7, –7) and a radius of 7

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30-07-2017

The equation of a circle with center at (h,k) and radius 7 is

(x-h)^2 + (y-k)^2 = r^2. Let's substitute the given values:

(x-[-7])^2 + (y-[-7])^2 = 7^2.

Simplifying, (x+7)^2 + (y+7)^2 = 49. This is the equation of the given circle.

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