CAIE IGCSE Additional Math 2.5 Solve Quadratic Inequalities Questions

Practise Cambridge IGCSE Additional Mathematics by applying suitable quadratic methods, reporting valid roots and checking transformed solutions.

Exam points

Use factorisation, the quadratic formula or completing the square to solve quadratic equations.
Select and report all valid roots in exact or suitably rounded form.
Check solutions against the original equation and any restrictions introduced by transformations.

[Maximum number: 3]

Solve the following inequalities.

$x^2-x-6 \geqslant 0$

(x-3)(x+2)x * 3, x * -2* can be any inequality sign or =.
$x \geqslant 3,\ x \leqslant -2$
Do not allow "and" between inequalities.
Do not accept $-2 \geqslant x \geqslant 3$ .

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CAIE IGCSE Additional Math 2.5 Solve Quadratic Inequalities Questions question 1