Question

When simplified, √50 equals x√y. If x and y are both integers, what is the value of x?

a)1
b)2
c)5
d)25

Answer 1

\[\sqrt{50}=\sqrt{5^2\times 2}=\sqrt{5^2}\times \sqrt{2}=5\sqrt{2}\]

Answer 2

so x = 5