A-Level Maths Edexcel 9MA0

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#8 Solving linear inequalities

Inequalities are similar to equations, but instead of an equals sign ((=)) being used, the following are used instead: [ul]ligreater than ((>))[/li]ligreater than or equal to ((≥))[/li]liless than ((<))[/li]liless than or equal to ((≤))[/li]/ul Linear inequalities are solved like a normal equation, but you must remember to bflip the sign/b if you bmultiply or divide by a negative number/b.

The solution of an inequality is the set of all real numbers (x) that make the inequality true.

When solving inequalities, don't forget to bflip the sign/b if you bmultiply or divide by a negative number/b.