CAIE IGCSE Mathematics Constructing and Solving Linear Inequalities

Practise forming linear inequalities from constraints, solving them algebraically and interpreting integer or contextual solution sets.

Exam points

translate phrases such as more than, fewer than or at least into the correct inequality sign
expand and collect terms to isolate the variable, reversing the sign after division by a negative
list integer solutions that satisfy every endpoint and contextual restriction

[Maximum number: 2]

Solve.

6 x+14>6

$x>-\frac43$ or $x>-1\frac13$ final answer
M1 for 6x>6-14 or $x+\frac{14}{6}>1$

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