Question

HELP!!! I WILL FAN AND MEDAL YOU!!
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

use wolframalpha

Answer 2

what??????????????

Answer 3

its a site

Answer 4

ok ill try tht

Answer 5

i don't get the page

Answer 6

its confusing

Answer 7

@dan815 can u help me??

Answer 8

\[2(5+\sqrt8)\]?

Answer 9

square root of 2 too

Answer 10

\[\sqrt2(5+\sqrt8)\]?

Answer 11

yes

Answer 12

distribute the \(\sqrt2\) and get
\[5\sqrt2+\sqrt{16}\]

Answer 13

fortunately you know that \(\sqrt{16}=4\) so you can also write this as
\[4+5\sqrt2\]

Answer 14

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

Answer 15

that wasn't so bad was it?

Answer 16

oh ok yeah that makes sense. thank u

Answer 17

yw