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Jlenok [28]
3 years ago
13

Write the standard equation of a circle with center (-9,-4) and radius 15.

Mathematics
1 answer:
Oksi-84 [34.3K]3 years ago
5 0

Answer:

Equation of a circle:

radius = the sq. rt of (x - h)^2 + (y - k)^2

Plug in the values for the center of a circle and the radius:

15 = the sq. rt of (x + 9)^2 + (y + 4)^2

(x + 9)^2 + (y + 4)^2 = 225

The answer is A or the first one.

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