GraphsHigh Exam FrequencyAQAEdexcelOCRWJEC

Straight Line Graphs

Revise Straight Line Graphs in Graphs for GCSE Mathematics with 14 exam-style questions and 20 flashcards. This is a high-frequency exam topic, so students should expect to explain it clearly under timed conditions.

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The Relationship Detective

Introduction 2

Essential Facts About Straight Line Graphs

Key Facts 3

Straight Line Graph Example

Diagram 4

Key Methods for Straight Line Graphs

Key Facts 5

Worked Examples

Deep Dive 6

Exam Tips

Exam Tips 7

Common Types of Straight Line Graphs

Deep Dive 8

Knowledge Organiser: Straight Line Graphs

Summary

Sample Flashcards

What is the y-intercept?

The point where the line crosses the y-axis, found when x = 0.

What is a linear relationship?

A relationship where one variable changes at a constant rate with respect to another, producing a straight line graph.

Exam questions for Straight Line Graphs

A straight line has the equation y = 3x + 7. What is the gradient of this line?

A. 7
B. 3
C. 10
D. -3

1 markfoundation

Line A has equation y = 3x + 1. Line B has equation y = 3x - 5. Explain why lines A and B are parallel. Include the values of their gradients in your answer.

3 markshigher

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