Question

HELP!
Please look and the picture below and answer the question correctly!

Answer 1

Answer:

D: √8

Step-by-step explanation:

I knew C or D had to be it, since A has a repeating pattern, and B is just ±4. I checked C in my calculator and it had 6 repeating, so that couldn't be it. So it could only be D

Answer 2

Answer:

D. √8

Step-by-step explanation:

To have an irrational answer when added to a rational number, you need to have:

rational + irrational = irrational

So we need to have an irrational number, and all of these numbers except for

√8

This number divided by 2 equals 2.82842712475 which is irrational, so this is our answer.