What are the x-intercepts of the circle with center (0, −2) and radius 3?
equation would be
x^2 + (y+2)^2 = 9
for x-intercept, let y = 0
x^2 + 4 = 9
x^2 = 5
x = ± √5
x^2 + (y+2)^2 = 9
for x-intercept, let y = 0
x^2 + 4 = 9
x^2 = 5
x = ± √5