eflwejwljig eflwejwljig
  • 09-05-2018
  • Mathematics
contestada

Write the equation of the circle with center (2, -3) and a radius of 4. A) (x + 2)2 + (y - 3)2 = 4 B) (x - 2)2 + (y + 3)2 = 4 C) (x + 2)2 + (y - 3)2 = 16 D) (x - 2)2 + (y + 3)2 = 16

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popalabdulqayou
popalabdulqayou popalabdulqayou
  • 15-05-2018
The formula for a circle is:

(x-h)²+(y-k)²= r²

(h,k) which is (2,-3)

(x-2)²+(y+3)²= 4²=16

So D is correct.

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