edwathorntonhamlett edwathorntonhamlett

05-06-2020
Mathematics

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The equation of a circle is x2 + y2 + 6y = 7. What are the coordinates of the center and the length of the radius of the circle?

Respuesta :

05-06-2020

Step-by-step explanation:

x2+y2+6y+(9-9)=7

x2+y2+6y+9=16

x2+(y+3)2=16

center:(0,-3)

r:4

Ver imagen frnz

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