Question

9. Which number is rational?

(1) Square root of
(2) pi (symbol)
(3) 5 square root 9
(4) 6 square root 2

Answer 1

5 square root 9

Explanation:

A rational number is a number that can be put in fraction form.

You can easily take the square root of 9 to get 3, which you can multiply by 5 to get 15.

Since you can make 15 into 15/1, which is a fraction, it is rational.

Answer 2

5 square foot 9
Sr of 9 is a perfect square so it’s rational