A graph is a visual display of data or of a mathematical relationship. Bar graphs compare categories, line graphs show change over time, and coordinate graphs show how two variables relate.
Math Dictionary / Graph
Graph
A graph is a visual display of numbers, relationships, or data.
FunctionsGrade 5Grade 6Grade 7Grade 8Algebra 1GEDSATACT
What it means
Graphs help you see patterns, compare values, and understand relationships quickly.
Also called: chart, plot
Examples
| A line graph can show change over time |
| A coordinate graph can show points like (2, 5) |
| A scatter plot is a type of graph |
Common mistake
Always read the axis labels and scale before interpreting a graph.
Try one
Question: On a coordinate graph, which axis is horizontal?
Show answer
The x-axis is horizontal.