Common-Core/ Grade 9
Maths MCQ Based On Rational and irrational numbers
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Common-Core Grade 9 - 9 Rational and irrational numbers
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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.
\\(40\\times(5)^2 = 40\\times25\\)
If A and B are both irrational and not equal, then A - B is irrational.
\\(\\sqrt{49}=7\\)
If A and B are both rational, then A+B, A–B, and AB are rational.
If A and B are both irrational and not equal then A-B is irrational.
3-8= -5
If A, B, and C are irrational, then A+B+C is irrational.
\\(\\sqrt{54}=3\\sqrt{6}\\)
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