Question

One quick algebra question pleaseee!!!! medal rewarded!!!





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

\[\sqrt{2} \times (5 + \sqrt{8})\]
you can exclude A and B right away, because, \[5\sqrt{2}\]is irrational.
Solve it,
\[5\sqrt{2}+4\]
so which option is the answer?

Answer 2

So it's D, correct?

Answer 3

YUP!

Answer 4

thank you so much! (:

Answer 5

You Welcome!