Question

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Answer 1

isn't an irrational number inside a square root ? I know whole numbers and positive whole numbers are rational.

Answer 2

An irrational number cannot be expressed as a fraction.
Irrational numbers cannot be represented as terminating or repeating decimals.
Irrational numbers are non-terminating, non-repeating decimals.

Answer 3

18

Answer 4

can't be a... square root of 16 is 4 and that's rational.

hmmm.. I was thinking on sqrt(18) if we simplify that we have sqrt ( 9 x 2) which is 3sqrt(2)

Answer 5

I think it is b... that sqrt(2) throws everything off.

Answer 6

correct

Answer 7

:)