Learning objective

Create straight-line graphs for linear equations that are presented in various forms, such as y = -2x + 5, y = 7 - 4x, or 3x + 2y = 5.

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Exam focus

Cambridge IGCSE MathematicsExtended Coordinate geometrySupplement content

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Quick explanation

This point belongs to Drawing linear graphs, especially Drawing linear graphs outcomes.
You need to be able to create straight-line graphs for linear equations that are presented in various forms, such as y = -2x + 5, y = 7 - 4x, or 3x + 2y = 5.
The key ideas to know are Plot, Sketch, and Show.
Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

PlotSketchShowConstruct

Why it matters

This objective helps connect Drawing linear graphs outcomes to exam-style questions, flashcards, and revision notes for Drawing linear graphs.

Revision tools

Flashcards10 linked cards

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Practice Questions7 linked questions

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Paper 2Core or Extended Mathematics4 marks

Description

You are given the linear equation y = -2x + 5. Use this equation to plot the graph on a coordinate plane.

a
Plot Plot the graph of the equation y = -2x + 5 by finding the y-intercept and one other point using the slope. Show your working.
Your answer
Aim for approximately 4 distinct marking points.
[4]

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