AQA · Mathematics · 8300
GCSE Maths: Graphs: line graphs
Statistics · AQA GCSE Maths (8300). Cards are generated from the Corbettmaths textbook exercise and practice questions for Graphs: line graphs (Corbettmaths Video 160), and every card links back to the exact page it came from. Practice tests are drawn from this deck’s own cards. Source material © Corbettmaths — used with attribution.
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What type of graph uses points connected by straight lines to show how values change over time or another continuous variable?
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A line graph.
On a line graph, how do you estimate a value between two plotted points?
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By reading the value along the line connecting the two points (interpolation).
What is the purpose of drawing multiple line graphs on the same axes?
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To compare trends or values of different data sets side by side.
On a line graph, how can you identify when a value is increasing most rapidly?
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Look for the steepest upward slope between consecutive points.
What does the highest point on a line graph represent?
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The maximum value in the data set.
How do you find the difference between two values on a line graph?
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Read the y-values at the two points and subtract the smaller from the larger.
What mathematical process are you using when you read a specific value directly from a plotted point on a line graph?
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Direct reading or extraction of data from the graph.
When reading a line graph, which axis typically shows the categories or time values?
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The horizontal axis (x-axis).
When reading a line graph, which axis typically shows the measured values or quantities?
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The vertical axis (y-axis).
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