HL AA · Functions

Inequalities — rational and modulus

HL AA Paper 1 tests |x-2| < 3 or (x-1)/(x+2) ≥ 0. Sign diagrams are your friend — never multiply through by a variable expression.

Practise Inequalities — rational and modulus with AI marking

Open the full HL AA engine — every question in this unit is worked through with instant AI-graded feedback on your handwritten workings.

Open HL AA Functions →

Related in Functions

Free tools you might want

🎯 IB Maths Grade Predictor — see your predicted grade from mock scores
🔍 Diagnose my working — AI diagnoses where you went wrong
💡 IA Topic Explorer — find your perfect IA topic in 60 seconds
🏔️ Path to 7 — the mastery ladder for a Grade 7