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bella39janee bella39janee
  • 30-06-2016
  • English
Answered

Which is an equation of a circle with center (-5, -7) and radius 6?



(x + 5)2 + (y + 7)2 = 6

(x + 7)2 + (y + 5)2 = 36

(x + 5)2 + (y + 7)2 = 36

(x - 5)2 + (y - 7)2 = 6

Verified Answer :

arieljones923
arieljones923 arieljones923
  • 02-07-2016

I would say (x+5)2+(y+7)2=36. -5,-7 is the center so in the equation the signs are going to be switched to positive and the radius is always squared when talking about the equaiton of a circle.

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