What you need to know
Check yourself against these “I can” statements.
- I can show an inequality in two variables as a region on a graph
- I can find the region that satisfies several inequalities using straight-line graphs
- I can solve harder inequalities using straight-line and quadratic graphs
- I can draw graphs and write equations or inequalities to model real-life situations
Practise this topic
3 resourcesSolve the Inequality
Single inequalities, x on both sides, negative coefficients (flip the sign), double inequalities, and splitting and combining. Five difficulty levels, timed, click to reveal.
🧮 ToolGraph Plotter
A graphing calculator: type y = f(x), x = g(y), implicit relations such as x² + y² = 25, inequalities (shaded, dashed for < and solid for ≤), parametric and polar curves, points and tables, functions f(x) = … with f′(x), and…
⬢ BlockbustersSolve the Inequality Blockbusters
Blockbusters with the questions from the Solve the Inequality worksheet: choose its levels for the ordinary hexagons and for the harder ★ ones. Show the answer and the worked solution, or play against the computer with multiple…
These are the pages for Solving Inequalities in the Year 9 scheme of work, following Pearson Edexcel Maths Progress Delta 3, then GCSE (9–1) Higher (1MA1). Open this topic in Mr Wells Maths to see it alongside the rest of the course.