peaks on a graph crossword clue

 The answer to the crossword clue "peaks on a graph" is extrema. Extrema are the highest and lowest points on a graph. They can be used to identify important features of the graph, such as trends and turning points.

Here are some other possible answers for the crossword clue "peaks on a graph":

6 letters: POINTS

7 letters: EXTREMA

8 letters: MAXIMUM

9 letters: MINIMUM

10 letters: TURNING POINTS

I hope this helps!