Posted by Steve on Friday, September 27, 2013 at 7:30pm.
What do you do to check if a number is rational or irrational? In the explanation use a rational and irrational number.

Math  Steve, Saturday, September 28, 2013 at 12:12am
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...
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