What is the equation of a circle whose center is (2,0) and has a radius= 9?
2 answers:
The equation of a circle is: (x - h)² + (y - k)² = radius² where (h, k) is the center. Now just plug in your given information and simplify.
(x - 2)² + (y - 0)² = 9²
Your equation is:
(x - 2)² + y² = 81
(x-2)²+(y-0)²=9²
you need simplify it.
center(a,b) radius=R
(x-a)²+(y-b)²=R²
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