Asked by Z
what are the coordinates of the center and the measure of the radius for a circle whose equation is ( x - 8)^2 + (y + 4)^2 = 12
Answers
Answered by
Steve
huh? Recall that the circle with center at (h,k) and radius r is
(x-h)^2 + (y-k)^2 = r^2
just read it off from the equation.
(x-h)^2 + (y-k)^2 = r^2
just read it off from the equation.
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