Solving Quadratic Inequalities

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Examples, videos and solutions to help GCSE Maths students learn how to solve quadratic inequalities.

Quadratic Inequalities - tutorial 3
How to solve a quadratic inequality where the x squared term is negative and the quadratic factorises?
Example:
10 - 3x - x² > 0

Quadratic Inequalities - tutorial 4
How to solve a quadratic inequality where the x squared term is negative and the quadratic factorises?
Example:
6 - x - 2x² < 0

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Quadratic Inequalities - tutorial 5
How to solve a quadratic inequality where the quadratic does not factorise?
Example:
x² -6x + 2 > 0

Quadratic Inequalities - tutorial 6
How to solve a quadratic inequality where the terms need rearranging?
Example:
15 - x > 2x²

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