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Sergio039 [100]
3 years ago
8

What is the equation of the circle with: center (5, 7) and point on the circle: (-2, 8)

Mathematics
1 answer:
Elis [28]3 years ago
5 0

Answer:

(x-5)^2+(y-7)^2=50

Step-by-step explanation:

Hi there!

Equation of a circle: (x-h)^2+(y-k)^2=r^2 where the circle is centered at (h,k) and r is the radius

Plug in the center (5,7)

(x-5)^2+(y-7)^2=r^2

Plug in the given point (-2,8) to solve for r²

(-2-5)^2+(8-7)^2=r^2\\(-7)^2+(1)^2=r^2\\49+1=r^2\\50=r^2

Therefore, r² is equal to 50. Plug this back into (x-5)^2+(y-7)^2=r^2

(x-5)^2+(y-7)^2=50

I hope this helps!

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