Question

Which is a rational number?
A: sqrt 10
B: sqrt 24
C sqrt 36
D: sqrt 44

Answer 1

which number isn't a decimal when you find the square root

Answer 2

36?

Answer 3

yup so it's rational

Answer 4

Oh XD
Ok thanks!!

Answer 5

Your welcome : )

Answer 6

\[1=(±1)^2\]\[4=(±2)^2\]\[9=(±3)^2\]\[16=(±4)^2\]\[25=(±5)^2\]\[36=(±6)^2\] should \(\Large\color{blue}{ \bf remember }\) these perfect squares up to 16 at least.