I can express change in one glance, I can be plotted but not seen. What am I?

Category: Math · Difficulty: hard

Hint: Think about how one might interpret data visually.

Answer

A slope

Explanation

A slope indicates the rate of change in a line on a graph, visible in data representation but not as an object.

This is a hard math riddle — a tricky one that takes a little thought. The answer is A slope.

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