Answers

2015-07-15T19:30:34+08:00
No, we can only say that a number is a rational number if it can be written as ratio or fraction. example:5, we can make it as a rational numer by putting 1 below 5
5=5/1 or 5:1


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2015-07-15T20:47:14+08:00
No. Real numbers has 2 types and they are rational and irrational numbers.
Rational numbers they are the numbers that are perfect square trinomials and repeating numbers 
Irrational numbers they are the number that are not perfect square trinomials and the numbers are non-terminating and non repeating
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