Question

Find the centre and radius of the circle 2x² + 2y² – x = 0

Answer 1

The equation of the given circle is 2x² + 2y² – x = 0.

which is of the form (x – h)² + (y – k)² = r², where h = 1/4, k = 0 and r = 1/4.
Thus, the centre of the given circle is (1/4, 0), while its radius is 1/4.