3 years ago

What equation represents a circle whose center is located at (-6,2) and whose radius is 10 units?

1 answer:

3 0

One of the equations for a circle is (x - h)² + (y - k)² = r² where (h, k) are the center and r is the radius.
So after substitution:
(x + 6)² + (y - 2)² = 100

Notice the equation has the opposite of h and k and 100 is the result of squaring 10.

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