alyssarae00 alyssarae00

06-12-2018
Mathematics

contestada

Which is the center of a circle whose equation is x2+y2+4x-8y+11=0?

Respuesta :

jcherry99 jcherry99

06-12-2018

Answer:

Center (-2 , 4)

Step-by-step explanation:

x^2 + 4x + y^2 - 8y = - 11

(x^2 + 4x + (4/2)^2 + (y^2 - 8y + (8/2)^2 ) = - 11 + 4 + 16

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

Center (-2, 4)

Answer Link

angelinasao79917 angelinasao79917

29-03-2021

Answer:

-2,4

Step-by-step explanation:

edge 2021

Answer Link

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