IX. Write the equation of the circle in the center-radius form given the center and radius. 1) C(0,0), r =2 2) C(0, 0), r = 6 3) C(7,-2), r = 8 4) C(0,5), r = \frac{1}{2} 5) C(-8, 0), r = 11
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For C(0,0) and r = 2, the equation of the circle is (x - 0)^2 + (y - 0)^2 = 2^2, which simplifies to x^2 + y^2 = 4. Show more…
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