find the standard form, center, and radius of the following circles
1. x2+y2-4x+8y-5=0
2. 4x2+ 4y2+36y+5=0

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02-03-2022
Mathematics

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find the standard form, center, and radius of the following circles
1. x2+y2-4x+8y-5=0
2. 4x2+ 4y2+36y+5=0

Sagot :

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haileefleetwood3 haileefleetwood3 · Answer 1 · 2022-03-02T14:43:00-05:00

haileefleetwood3 haileefleetwood3

02-03-2022

Answer: The standard form a circle is (x−h)2+(y−k)2=r2 , where (h,k) is the center of the circle and r is the radius of the circle. Therefore, the center of the circle is at (2,4) and the circle has a radius of 5 .

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