jacksonnatalia12 jacksonnatalia12

23-10-2021
Mathematics

contestada

Identify the center and radius of the circle with equation x2 + y2 - 8x - 4y - 5=0.
center:
radius:

Respuesta :

joe7130 joe7130

23-10-2021

The center is 4,2
The radius is 5
Hope this helps

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colinspurdle colinspurdle

24-10-2021

x^2 - 8x + y^2 - 4y = 5
(x^2 - 8x + 16) + (y^2 - 4y + 4) = 5 + 16 + 4
(x - 4)^2 + (y - 2)^2 = 25 = 5^2
Centre at (4, 2) with radius = 5

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