Question

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

A,B,C,D ANSWER CHOICES

Answer 1

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 2

\[\sqrt{2}(5+\sqrt{8})\]

Answer 3

So , we have :
=\[5\sqrt{2}+\sqrt{16}=5\sqrt{2}\pm4\]

Answer 4

Yes

Answer 5

So is the answer D?

Answer 6

It is irrational and equal to \[4+5\]

Answer 7

\[4+5\sqrt{2}\]

Answer 8

I'm not sure about C
We have + or- 4, but i think it the right one, because none of the others seems to be so :)

Answer 9

So the answer is C? o-o

Answer 10

oww sorry i meant D

Answer 11

Oh its fine, yea i thought the same.

Answer 12

I need help with 2 more i'll open up another question if thats fine.

Answer 13

OK , MEDAL pls , i really need them :)

Answer 14

Lol almost forgot, i gotcha

Answer 15

Thanks !