Question

Which of the following is the equation of a circle whose center is at the origin and whose diameter has endpoints (-1, 2) and (1, -2)?

x^2 + y^2 = 2
x^2 + y^2 = 3
x^2 + y^2 = 4
x^2 + y^2 = 5

Answer 1

@KendrickLamar2014

Answer 2

find the distance between (-1, 2) and (1, -2) to find the diameter. half that to find the radius, then square it and you'll have your answer

Answer 3

I've got it thanks

Answer 4

oh ok :|