A circle has center O(−1, −3) and radius 5. Which of the following points is on the circle? V(2, 1) X(−3, 7) Y(5, 0) Z(6, 7)

Question

asked Oct 25, 2018 200k views

1 Answer

Kevin Brock · Answer 1 · 2018-10-29T13:11:00+0000

Answer = V (2,1)

Because:

The equation of the circle is
(x+1)² + (y+3)² = 25
(2+1)² + (1+3)² = 25
3² + 4² = 25
9 + 16 = 25
25 = 25