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  • 03-07-2017
  • Mathematics
contestada

Write an equation for a circle with center at (–7, 10) and diameter = 6.

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apologiabiology
apologiabiology apologiabiology
  • 04-07-2017
equation of a circle with center at (h,k) and radius of r is
(x-h)²+(y-k)²=r²

so
center (-7,10) and diameter 6
remember, diameter/2=radius=6/2=3

so
equation is (x-(-7))²+(y-10)²=3²
(x+7)²+(y-10)²=9
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