3 years ago

The center of a circle is at (7, –3) and it has a radius of 9. What is the equation of the circle?

1 answer:

4 0

Given:
center (7,-3)
radius = 9

Equation of the circle:
(x-h)² + (y-k)² = r²
(x-7)² + (y-(-3)² = 9²
(x-7)² + (y+3)² = 81 Last option.

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