Question

A diameter of a circle has endpoints at (4, 6) and the origin. Which point is also on the circle?
A. (–1, 2) B. (6, 3) C. (5, 0) D. (–1, 1) E. NOTA
Please explain.

Answer 1

find the midpoint x = (4 + 0)/2 y = (6 + 0)/2 that will give the centre

Answer 2

then the equation is (x - h)^2 + (y-k)^2 = r^2 in this case r^2 = 52

(h, k) is the centre...

sub in each point... to test

Answer 3

answer is D (-1,1) please can you show more steps

Answer 4

I didn't get it