This key facts covers Key Facts About Line Graphs within Line Graphs for GCSE Mathematics. Revise Line Graphs in Statistics for GCSE Mathematics with 10 exam-style questions and 20 flashcards. This topic appears less often, but it can still be a useful differentiator on mixed-topic papers. It is section 2 of 10 in this topic. Use this key facts to connect the idea to the wider topic before moving on to questions and flashcards.
Topic position
Section 2 of 10
Practice
10 questions
Recall
20 flashcards
Key Facts About Line Graphs
- Purpose: Show how data changes over time or continuous variables
- Time axis: Usually horizontal (x-axis) shows time periods
- Value axis: Vertical (y-axis) shows the measured values
- Data points: Plotted at exact coordinates and connected with lines
- Trends: Shows increasing, decreasing, or constant patterns
- Continuous data: Best for data that can have any value between points
- Multiple series: Can show several datasets on one graph
Keep building this topic
Read this section alongside the surrounding pages in Line Graphs. That gives you the full topic sequence instead of a single isolated revision point.
Practice Questions for Line Graphs
A time series graph is used to show:
A time series graph shows house prices from 2015 to 2023. A student extends the line to predict the house price in 2030. Explain why this prediction might be unreliable.
Quick Recall Flashcards
10 questions on Line Graphs — practise free
Instant marking, adaptive difficulty, and 20 spaced repetition flashcards. Free until your GCSEs.
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