Question

determine the center and the radius of the circle: 2x^2+2y^2=98

Answer 1

Divide each member of the equation by 2.

Answer 2

Post what you get, please.

Answer 3

center= (0,0) r=7

Answer 4

That is what I got.

Answer 5

yay :D

Answer 6

how about 5x^2+5y^2=0 ??

Answer 7

Divide through by 5.

Answer 8

What did you get?

Answer 9

center = (0,0) r = 0

Answer 10

Right...

Answer 11

Depending upon how circle is defined, the equation is not a circle. Or, it is a circle with radius 0 which if, of course, a point. Check your textbook on that.

Answer 12

hah, radius = 0, would be a circle ??

Answer 13

Well yes, it depends how circle is defined