Question

what is the equation of a circle whose center is at the origin and a radius of 16?

Answer 1

x^2/4+y^2/4 something along that line. its been a long time.

Answer 2

equation of the circle is \[\large (x+h)^2 +(x + k)^2 = r^2\] where (h,k) is the center

Answer 3

@akamushi i think that is an ellipse...sort of

Answer 4

Thank you