A circle is represented by the equation shown below.

(x - 7)2 + (x - 8)2 = 121

Which statement is true?
Answer The circle is centered at (7, 8) and has a radius of 11.
The circle is centered at (-7, -8) and has a radius of 11.
The circle is centered at (7, 8) and has a diameter of 11.
The circle is centered at (-7, -8) and has a diameter of 11.

Question

A circle is represented by the equation shown below.

(x - 7)2 + (x - 8)2 = 121

Which statement is true?
Answer    The circle is centered at (7, 8) and has a radius of 11. 
   The circle is centered at (-7, -8) and has a radius of 11. 
   The circle is centered at (7, 8) and has a diameter of 11. 
   The circle is centered at (-7, -8) and has a diameter of 11.

anonymous · Answer

The circle is centered at (7, 8) and has a radius of 11

anonymous · Answer

Equation of circle with center at (a,b) with radius r is:
(x-a)^2 + (y-b)^2 = r^2

mertsj · Answer

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