# Derivative introduction

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Lessons

Introduction to differential calculusDerivative as slope of tangent lineDerivative as instantaneous rate of changeQuiz 1Secant linesDerivative as a limitFormal definition of derivativeUsing the formal definition of derivativeQuiz 2DifferentiabilityDerivative as a functionReview: Derivative basicsUnit testPractice

Quizzes

Unit test

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Secant lines & average rate of change with arbitrary points

4 questions

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Derivative as a limit: numerical

4 questions

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Differentiability at a point: graphical

4 questions

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Differentiability at a point: algebraic

4 questions

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Visualizing derivatives

4 questions

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Derivatives basics challenge

7 questions

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**Derivative introduction**with these 11 questions.About this unit

Get comfortable with the big idea of differential calculus, the derivative. The derivative of a function has many different interpretations and they are all very useful when dealing with differential calculus problems. This topic covers all of those interpretations, including the formal definition of the derivative and the notion of differentiable functions.