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Solve quadratic inequalities

Solve quadratic inequalities

5 hand-picked video lessons for this topic, each checked for relevance and clarity, graded by difficulty and labelled by depth. Press play to watch — nothing loads from YouTube until you do.

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Grade 7–9 Core 🇬🇧 UK

Solving Quadratic Inequalities - GCSE Higher Maths

1st Class Maths 351K views

Clear UK GCSE walkthrough of quadratic inequalities, from a single example up to rearrangement.

Jump to 0:00What is a quadratic inequality?0:26First Example 3:06Second Example 4:37Third Example with rearrangement

Grade 7–9 Core 🇬🇧 UK

Quadratic Inequalities - Corbettmaths

corbettmaths 343K views

Corbettmaths explains solving quadratic inequalities clearly with the sketch-graph method for GCSE.

Grade 8–9 Core 🇬🇧 UK

Quadratic Inequalities (Grade 9) | Grade 9 Maths Series | GCSE Maths Tutor

The GCSE Maths Tutor 167K views

Thorough Grade 9 UK walkthrough of quadratic inequality techniques and strategies.

Grade 7–9 Core 🇬🇧 UK

Solving Quadratic Inequalities

Maths Genie 271K views

Maths Genie gives a concise, exam-focused method for solving quadratic inequalities.

Grade 7–9 Core 🇺🇸 US

Quadratic Inequalities

The Organic Chemistry Tutor 1.9M views

Very clear sign-line method for quadratic inequalities; mentions interval notation beyond GCSE.