## anonymous one year ago Which statement is true about the product square root of 2(5 + square root of 8)? A,B,C,D ANSWER CHOICES

1. anonymous

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.

2. anonymous

$\sqrt{2}(5+\sqrt{8})$

3. anonymous

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

4. anonymous

Yes

5. anonymous

So is the answer D?

6. anonymous

It is irrational and equal to $4+5$

7. anonymous

$4+5\sqrt{2}$

8. anonymous

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 :)

9. anonymous

So the answer is C? o-o

10. anonymous

oww sorry i meant D

11. anonymous

Oh its fine, yea i thought the same.

12. anonymous

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

13. anonymous

OK , MEDAL pls , i really need them :)

14. anonymous

Lol almost forgot, i gotcha

15. anonymous

Thanks !