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Ch. 3 - Supply and DemandWorksheetSee all chapters
All Chapters
Ch. 1 - Introduction to Microeconomics
Ch. 2 - Introductory Economic Models
Ch. 3 - Supply and Demand
Ch. 4 - Elasticity
Ch. 5 - Consumer and Producer Surplus; Price Ceilings and Floors
Ch. 6 - Introduction to Taxes and Subsidies
Ch. 7 - Externalities
Ch. 8 - The Types of Goods
Ch. 9 - International Trade
Ch. 10 - The Costs of Production
Ch. 11 - Perfect Competition
Ch. 12 - Monopoly
Ch. 13 - Monopolistic Competition
Ch. 14 - Oligopoly
Ch. 15 - Markets for the Factors of Production
Ch. 16 - Income Inequality and Poverty
Ch. 17 - Asymmetric Information, Voting, and Public Choice
Ch. 18 - Consumer Choice and Behavioral Economics
Everyone's favorite: algebra!

Concept #1: Equation of a Demand Curve

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Concept #2: Isolating Variables in the Demand Equation

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Concept #3: Equation of a Supply Curve

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Concept #4: Isolating Variables in the Supply Equation

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Concept #5: Finding Equilibrium Using Algebra

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Example #1: Finding Equilibrium Using Algebra

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Practice: The supply and demand curves for a product are as follows: 

Qd = 10560 − 80P
P = 1 40Qs + 6

What is the equilibrium price and quantity of the product? 

Concept #6: Finding Equilibrium with Equations and a Graph

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