What you need to know
Check yourself against these “I can” statements.
- I can solve linear simultaneous equations by elimination or substitution
- I can solve a pair of simultaneous equations where one is linear and one is quadratic
- I can explain what the solutions of equations mean on a graph
- I can solve linear and quadratic inequalities and write the answers in set notation
- I can show inequalities as regions on a graph
Practise this topic
4 resourcesEquations and Inequalities: Spot the Mistake
A student’s working with a mistake a real student would make (or, about 1 in 8 times, no mistake at all): tap the line you think is wrong, or No mistake, then reveal it, the corrected working and why. One level for each part of…
📋 Unit reviewEquations and Inequalities: Exam Questions
Exam-style questions on the whole Equations and Inequalities chapter, researched from real papers, with mark schemes in the examination’s notation (M, A, B, dM, ft, cso and the AO codes): simultaneous equations (linear, quadratic…
⬢ BlockbustersEquations and Inequalities: Spot the Mistake Blockbusters
Blockbusters with the questions from the Equations and Inequalities: Spot the Mistake worksheet: choose its levels for the ordinary hexagons and for the harder ★ ones. Show the answer and the worked solution, or play against the…
🧮 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…
Topics in this unit
- 3.1 Linear simultaneous equations · 2 resources
- 3.2 Quadratic simultaneous equations · 2 resources
- 3.5 Quadratic inequalities · 1 resource
- 3.6 Inequalities on graphs · 1 resource
- 3.7 Regions · 1 resource
These are the pages for Equations and inequalities in the A Level Maths scheme of work, following Pearson Edexcel A Level Mathematics (9MA0). Open this topic in Mr Wells Maths to see it alongside the rest of the course.