AP®︎ Calculus AB Unit 8: Notes & Study Guide

Prepare for your quiz, test, or the AP exam with a comprehensive review on Unit 8 of AP Calculus AB – Applications of Integration.

Exam weight: 10%–15%
12 Topics

Unit 8: Applications of Integration

Apply integrals to compute areas, volumes, and solve net-change problems.

Begin with Topic 8.1: Finding the Average Value...

To review Unit 8, go through each of the 12 topics below.

Everything you actually need to know for your Unit 8 test, pulled directly from the AP® Calculus AB curriculum.

Topic 8.1
~5 min
Review
Finding the Average Value of a Function on an Interval
Finding the Average Value of a Function on an Interval
  • What the Average Value of a Function Is
  • The Formula and What Each Part Means
  • How to Find the Average Value
Review
Topic 8.2
~5 min
Review
Connecting Position, Velocity, and Acceleration of Functions Using Integrals
Connecting Position, Velocity, and Acceleration of Functions Using Integrals
  • Position, Velocity, and Acceleration in Rectilinear Motion
  • Displacement vs Total Distance Traveled
  • Using Integrals to Move Between a, v, and s
Review
Topic 8.3
~6 min
Review
Using Accumulation Functions and Definite Integrals in Applied Contexts
Using Accumulation Functions and Definite Integrals in Applied Contexts
  • What an Accumulation Function Represents
  • The Net Change Formula in Applied Contexts
  • How to Solve Accumulation Problems
Review
Topic 8.4
~6 min
Review
Finding the Area Between Curves Expressed as Functions of x
Finding the Area Between Curves Expressed as Functions of x
  • Area Between Two Curves as a Definite Integral
  • The Full Setup Process
  • When the Top Function Changes
Review
Topic 8.5
~5 min
Review
Finding the Area Between Curves Expressed as Functions of y
Finding the Area Between Curves Expressed as Functions of y
  • What Area Between Curves Using y Means
  • Setting Up the Integral with Respect to y
  • When Horizontal Slices Are Better
Review
Topic 8.6
~6 min
Review
Finding the Area Between Curves That Intersect at More Than Two Points
Finding the Area Between Curves That Intersect at More Than Two Points
  • What Area Between Intersecting Curves Means
  • Why More Than Two Intersections Changes Things
  • The Complete Strategy
Review
Topic 8.7
~5 min
Review
Volumes with Cross Sections: Squares and Rectangles
Volumes with Cross Sections: Squares and Rectangles
  • Volume from Known Cross Sections
  • Types of Cross Sections on the AP Exam
  • How to Set Up the Integral
Review
Topic 8.8
~5 min
Review
Volumes with Cross Sections: Triangles and Semicircles
Volumes with Cross Sections: Triangles and Semicircles
  • How volumes with known cross sections work
  • The cross-section shapes you must know
  • Setting up the volume step by step
Review
Topic 8.9
~5 min
Review
Volume with Disc Method: Revolving Around the x- or y-Axis
Volume with Disc Method: Revolving Around the x- or y-Axis
  • What the Disc Method Is
  • Revolving Around the x-Axis
  • Revolving Around the y-Axis
Review
Topic 8.10
~5 min
Review
Volume with Disc Method: Revolving Around Other Axes
Volume with Disc Method: Revolving Around Other Axes
  • What the Disc Method Is Really Doing
  • Horizontal vs. Vertical Axes
  • Visualizing What’s Happening
Review
Topic 8.11
~5 min
Review
Volume with Washer Method: Revolving Around the x- or y-Axis
Volume with Washer Method: Revolving Around the x- or y-Axis
  • What the Washer Method Is
  • Visualizing a Washer
  • Revolving Around the x-Axis
Review
Topic 8.12
~5 min
Review
Volume with Washer Method: Revolving Around Other Axes
Volume with Washer Method: Revolving Around Other Axes
  • What the Washer Method Around Other Axes Is
  • Geometry First Then Algebra
  • Choosing the Variable
Review

Notes

1 credit used · 5/5 remaining