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Sagot :
That’s just the equation for a circle. The center would be (4,0)...you just set whatever is in the parentheses to 0 for both x and y.
Answer: (4,0)
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Explanation:
The given equation is the same as (x-4)^2 + (y-0)^2 = (sqrt(90))^2
It is in the form (x-h)^2 + (y-k)^2 = r^2
We have the following
- h = 4
- k = 0
- r = sqrt(90)
The center is (h,k) = (4,0) and the radius is sqrt(90) units
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