Question

find y such that the distance between the
points is 8.
(0, 0), (3, y)
I did SQRT(3^2 + y^2) = 8
y^2 + 9 - 64 = 0
y^2 - 55 = 0

Answer 1

anyone plz?

Answer 2

that's correct
So \(y=\pm \sqrt{55}\)

Answer 3

sqrt(3^2 + y^2) = 8
9 + y^2 = 64
y^2 = 55
y = +-sqrt(55)

Answer 4

allright, thanks