13. What are the center and radius of the circle (x−7)^2+(y+6)^2=4 A.C:  (7,-6); r= 16  B.C: (7,-6); r=2     C.C: (-7,6) ; r=4         D.C: (-7,5); r=8

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A: The vertex of standard parabola equation  y = x2  is at (0,0)

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A: Solution of question as follow

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A: Given : x2+10x+y2+8y-128 = 0

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A: As per guideline we have to solve one question

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A: Given query is to find the equation of the circle.

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A: We have  to find the equation of the circle.

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