SOLUTION: x^2+y^2-9=0 circle ellipse parabola or hyperbola ???

SOLUTION: x^2+y^2-9=0 circle ellipse parabola or hyperbola ???

Algebra.Com

Question 197364: x^2+y^2-9=0
circle ellipse parabola or hyperbola
???
Answer by user_dude2008(1862) (Show Source): You can put this solution on YOUR website!
x^2+y^2-9=0 ----> x^2+y^2=9

eqn fits form: x^2+y^2=r^2 (circle)

Ans: x^2+y^2-9=0 is a circle
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