Al K. answered • 11/03/15
Tutor
4.5
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25 years of teaching algebra and calculus
The equation is
(x-h)2 + (y-k)2 = r2
h= -3, k=4 and r=4
substitute in the equation for h, k, and r you get
(x+3)2 +(y-4)2 = 42
