Express interval using modulus notation

Rewrite an inequality like 1 < x < 3 in the form |x-a| < b, determining constants a and b.

2 questions · Easy -1.2

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OCR MEI C3 Q2

2 marks Easy -1.2

2 Express \(1 < x < 3\) im th \(\quad | x - a | < b\), where \(a\) and \(b\) are to be determined.

OCR MEI C3 2013 January Q3

2 marks Easy -1.2

3 Express \(1 < x < 3\) in the form \(| x - a | < b\), where \(a\) and \(b\) are to be determined.