# college algebra

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A circle has the equation
x^2+y^2+6x-46=0

what are the intercept?

• college algebra -

x^2 + 6 x = -y^2 + 46

x^2 + 6 x + 9 = -y^2 + 55

(x+3)^2 = -y^2 + 55

(x+3)^2 + (y-0)^2 = 55

center at (-3, 0) radius = sqrt(55)

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