if (3, -2) lies on the circle with center (-1, 1) then the equation of the circle is..
a.x² + y² + 2x - 2y - 23 =0
b.x² + y² + 4x - 2y - 21 =0
c.x² + y² + 2x - y - 33 =0
d.x² + y² + 4x - 2y - 27 =0

can you help me to show the proper solving to easy to understand.

Question

if (3, -2) lies on the circle with center  (-1, 1) then the equation of the circle is..
a.x² + y² + 2x - 2y - 23 =0
b.x² + y² + 4x - 2y - 21 =0
c.x² + y² + 2x - y - 33 =0
d.x² + y² + 4x - 2y - 27 =0

can you help me to show the proper solving to easy to understand.

loser66 · Answer

just plug (3,-2) into EACH of the options to test which one is the correct one
I do the last one d) for you as example|dw:1400912668924:dw|