IGCSE /Grade 9
Maths MCQ Based On Identifying rational and irrational numbers
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IGCSE Grade 9 Maths Identifying rational and irrational numbers
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3-8= -5
\\(\\sqrt{49}=7\\)
If A and B are both irrational and not equal then A-B is irrational.
If A is rational and B is irrational, then A+B, A-B, and B-A are irrational.
If A is rational and B is irrational, then A+B, A-B, and B-A are irrational.
\\(\\sqrt{54}=3\\sqrt{6}\\)
If A and B are both rational, then A+B, A–B, and AB are rational.
\\(\\pi \\) is an irrational number.
\\(\\sqrt{5} \\times 2=2\\sqrt{5}\\)
If A, B, and C are irrational, then A+B+C is irrational.
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