Question

Which is a rational number?

Answer 1

can be expressed as a fraction

Answer 2

What do you think? @freakenpurplepizza

Answer 3

its b?

Answer 4

Nope, do you know what a perfect square is?

Answer 5

for example:
9 is a perfect square becuase it can be expressed as 3 * 3 (the product of two equal integers)

16 is a perfect square becuase it can be expressed as 4 * 4 (the product of two equal integers)

25 is a perfect square becuase it can be expressed as 5 * 5 (the product of two equal integers)

Answer 6

An Irrational Number is a real number that cannot be written as a simple fraction.
Irrational means not Rational.

So out of those which one do you think is a irrational number?