# MATH

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Which of the following numbers is irrational?

A 5/9
B 3.15
C /5
D 8.341

I THINK IT A

• MATH -

CAN SOMEBODY HELP ME

• MATH -

a rational number can be written as a fraction.

Any terminating or repeating decimal is also rational.

√5 is not rational. There is no fraction which is exactly equal to √5. The decimal value goes on forever and never repeats.

It is easy to prove that √5 is irrational, if you are interested. Just google proofs for √2 and follow the same logic you find there.

• MATH -

so it c

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