Question

A circle is represented by the equation shown below.

(x + 3)2 + (y - 2)2 = 4

Which statement is true? (5 points)
Select one:
a. The circle is centered at (3, 2) and has a radius of 2.
b. The circle is centered at (-3, 2) and has a radius of 2.
c. The circle is centered at (-3, -2) and has a diameter of 2.
d. The circle is centered at (-3, 2) and has a diameter of 2.

Answer 1

B).
Because the formula of the circle is:
\[(x-h)^{2}+(y-k)^{2}=r^{2}\], where (h,k) is the center of the circle.