Anglo-Chinese Junior College
Rational and |x| substitution
Open question & worked solutionFree practice / JC2 H2 Maths Prelim
Choose a question, attempt it on paper, then compare your working with the step-by-step solution.
Real 2025 JC Preliminary Examination Inequalities questions from H2 Mathematics (9758), each with a full worked solution and examiner notes. These are the same papers we work through in our JC H2 Maths Crash Course.
Select a question to see the full problem and solution.
Rational and |x| substitution
Rational inequality and mathrm ex
Sketch and solve frac 1(x-a)2 vs |x-a|
Modulus and rational inequalities
Rational and ln |x| combined
Rational and exponential chain
Rational then |x+1| substitution
Rational and cos x restricted range
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