Asked by Neshia
Find the center (h,k) and radius r of the circle.
x^2 +y^2=4
a) (h,k) = (2,2); r=4
b) (h,k) = (0,0); r=4
c) (h,k) = (2,2); r=2
d) (h,k) = (0,0); r=16
x^2 +y^2=4
a) (h,k) = (2,2); r=4
b) (h,k) = (0,0); r=4
c) (h,k) = (2,2); r=2
d) (h,k) = (0,0); r=16
Answers
Answered by
bobpursley
The standard formula for a circle is
(x-h)^2 + (y-k)^2= r^2
There is no correct answer listed above.
0,0 r= 2
(x-h)^2 + (y-k)^2= r^2
There is no correct answer listed above.
0,0 r= 2
Answered by
Neshia
thanks
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