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Write the equation of the circle in standard form with the center (4,-2) and radius 5.
Question
Write the equation of the circle in standard form with the center (4,-2) and radius 5.
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Mathematics
3 years
2021-08-18T15:48:40+00:00
2021-08-18T15:48:40+00:00 1 Answers
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Answers ( )
Standard formula for circle:
(x-h)^2+(y-k)^2=r^2
h: 4
k:-2
r:5
Since the radius is squared, it would be 5^2=25
Now plug in:
(x-4)^2+(y+2)^2 =25