Question

classify the following number as rational or irrational. Give reasons to support your answer.
a)√3/81
b)√361
c)√21
d)√1.44
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Answer 1

Answer:

rational numbers are the numbers which can be written in the form of p/a

irrational numbers are the numbers which cannot be written in the form of p/q

Answer 2

1. irrational
2. rational
3. irrational
4. rational

• √3/9×9=1/27√3
• √361 = 19²
• √21=4.58.........which is neither terminating nor reccuring
• √1.44=1.2²