jm092003 jm092003

11-05-2021
Mathematics

contestada

what's the standard equation of the circle with the general equation x2 + y2 + 4x - 2y - 20 = 0

Respuesta :

erichui0916 erichui0916

11-05-2021

Answer:

(x+2)2+(y-1)2=25

Step-by-step explanation:

x2+y2+4x-2y+4+1=20+4+1

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