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G S Rehill's Interactive Maths Software Series - "Building a Strong Foundation in Mathematics"

Order a 12-month Year 7 Interactive Maths software Homework Licence for only $19.95. Order a 12-month Year 8 Interactive Maths software Homework Licence for only $19.95. Order a 12-month Year 9 Interactive Maths software Homework Licence for only $19.95. Order a 12-month Year 10 Interactive Maths software Homework Licence for only $19.95.

Year 9 Interactive Maths - Second Edition


Irrational Numbers

A number that can not be expressed in the form of a ratio is called an irrational number.


Example 2

Solution:



Note the following:

From this, we can infer that:


Key Terms

irrational number, rational number

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