What do you do to check if a number is rational or irrational? In the explanation use a rational and irrational number.

Answer 1

if it's an integer, it's obviously rational: 3,-10

if it's a terminating decimal, it's obviously rational 12.3978

If it's a repeating decimal, it's rational:
12.278963 = 12.27 + 8963/1000000

Otherwise it's irrational:
√2 = 1.41421356...

Answer 2

yeah ok um help me with number ten

Answer 3

FRIENLY REMINDER!!!
If you're going to copy off of people, remember to state it in your own words so the teacher doesn't suspect you for cheating!

Answer 4

**Friendly
oops!