Question

Which statement is true about the product square root of 2(5 + square root of 8)?

It is rational and equal to 7.

It is rational and equal to 9.

It is irrational and equal to 4 + square root of 10.

It is irrational and equal to 4 + 5square root of 2.

Answer 1

I think it is the second one.

Answer 2

@ehuman @happinessbreaksbones @najaas please help.

Answer 3

@helppls123

Answer 4

@nincompoop

Answer 5

@terenzreignz Help some one!!!

Answer 6

@BulletWithButterflyWings @zepdrix help me please!!!

Answer 7

I actually can't remember anything about rational and irrational numbers :c i'm sorry

Answer 8

thanks for coming and saying something though :D

Answer 9

Is that what the problem looks like? :o
\[\Large\bf\color{#CC0033}{\sqrt2}\left(5+\sqrt8\right)\]

So when you distribute the sqrt2 you get,\[\Large\bf 5\color{#CC0033}{\sqrt2} + \sqrt8 \cdot \color{#CC0033}{\sqrt2}\]Multiplying sqrt8 and sqrt2 should give you a perfect square! :D

Answer 10

what the answer

Answer 11

@undeadknight26