Question

15. Which point lies outside the circle with equation (x - 2)2 + (y + 3)2 = 4?

(2, -4)
(0, -3)
(2, 0)
(1, -4)

Answer 1

The circle is below the x axis and tangent to the y axis.
Point (0, -3) lies on the circle.
The only point outside the circle is (2,0)

Refer to the attached plot created using the Mathematica program.