Inequalities (AQA GCSE Maths): Flashcards

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Inequalities
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Meaning of >>

Greater than

Meaning of <<

Less than

Meaning of \geq

Greater than or equal to

Meaning of \leq

Less than or equal to

When multiplying/dividing inequality by negative

Flip the inequality sign

Circle type for strict inequalities (>> or <<)

Open circle

Circle type for inclusive inequalities (\geq or \leq)

Closed circle

Solution for x2>a2x^2 > a^2

x>ax > a or x<ax < -a

Solution for x2<a2x^2 < a^2

a<x<a-a < x < a

Graph region for quadratic >0> 0

Above the x-axis

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