edwathorntonhamlett edwathorntonhamlett

05-06-2020
Mathematics

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What are the coordinates of the center and length of the radius of the circle whose equation is x2 + 6x + y2 – 4y = 23?

Respuesta :

05-06-2020

Step-by-step explanation:

x2+6x+9-9+y2-4y+4-4=23

(x+3)2-9+(y-2)2-4=23

(x+3)2+(y-2)2=36

center:(-3,2)

r:6

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