SOLUTION: The set of points (x,y) such that x2 + y2 = 9 is
(a) a circle of radius 3 centered at (1,1)
(b) a circle of radius 9 centered at (0,0)
(c) a parabola
(d) an hyper
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Question 675178: The set of points (x,y) such that x2 + y2 = 9 is
(a) a circle of radius 3 centered at (1,1)
(b) a circle of radius 9 centered at (0,0)
(c) a parabola
(d) an hyperbola
(e) a circle of radius 3 centered at (0,0)
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!
On the coordinate plane, the formula becomes
and are the and coordinates of the center of the circle, and is radius
so, you have a circle
, where ,, and
and your answer is:
(e) a circle of radius centered at (,)
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