STEM Lessons for College Students

Difference Quotient – What is it? (PreCalculus)

How to find the Difference Quotient. We discuss how the difference quotient represents a formula for the slope between points but as the distance between the two points decreases you get the instant rate of change or the slope of the tangent line.

0:04 What is the Difference Quotient
0:11 Formula for the Difference Quotient
0:21 Diagram Explaining Where the Difference Quotient Comes From
1:47 Example 1 Find the Difference Quotient Using f(x)=x^2 + 3
3:20 What the Difference Quotient Allows Us to Find

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More Difference Quotient Examples

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