Module 3
Inequalities · 3 Levels · Grade 8 → CSEC
⚠ CSEC KILLER ALERT
The sign FLIPS when you divide or multiply both sides by a negative number.
e.g. −2x > 4 → x < −2, NOT x > −2. This costs marks every year.
EXAM FREQUENCY
🔴 Guaranteed
WHERE
Paper 2 · Q2
MARKS
4–5 marks
⚡ EXAM TRAP
Dividing by a negative — the sign FLIPS. Missed every year. Also: open vs closed circle on number line.