Additional MathematicsCode 4037

Equations, inequalities and graphs

What this topic asks you to be able to do

  • Solve, using a graph or algebra, inequalities having these forms: • k|ax + b| > c (c ⩾ 0) • k|ax + b| ⩽ c (c > 0) • k|ax + b| ⩽ |cx + d| where k > 0 • |ax + b| ⩽ cx + d • |ax² + bx + c| > d • |ax² + bx + c| ⩽ d