3 years ago

What is the equation of a circle with radius 23 and whose center is the intersection of the lines y=2x+1 and 4x+y=13?

1 answer:

4 0

The center is (2,5) and the equation is a(x-2)^2 + (y-5)^2= 23^2
A(x-2)^2 +(y-5)^2=529

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