Algebra 1 increasing and decreasing intervals from a graph worksheet
Read the graph from left to right. It is increasing where it climbs and decreasing where it falls. A relative maximum is a point where it turns from rising to falling, and a relative minimum the reverse.
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Pick more than one for a sheet that mixes them.
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Sigma Prep · sigmaprep.io/worksheets Name Reading a GraphDate Period Use the graph to answer each question.
Free math worksheets at sigmaprep.io/worksheets© 2026 Sigma Prep |
Sigma Prep · sigmaprep.io/worksheets Name Reading a GraphAnswer keyVersion 1Date Period Use the graph to answer each question.
Free math worksheets at sigmaprep.io/worksheets© 2026 Sigma Prep |
How to do these
A graph rises from to and falls from to . Where is it increasing?
- Intervals are written with x-values, not y-values.
The answer is .
Where students go wrong
Giving the intervals in y-values. "Increasing on (−3, 1)" describes the x-values where the graph climbs.
Also called increasing and decreasing intervals or relative maximum and minimum from a graph.