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How much is Domino’s really charging for pizza? Domino’s Pizza offers a high-tech website for customizing and tracking your pizza. But it’s hard to know how much the pizza actually costs until right before you buy it.

In this lesson, students use slope, y-intercept, and linear equations to explore the costs of different-sized pizzas at Domino’s and debate whether the pizza chain should be more transparent in its pricing.

Students will

  • Given two points, calculate the rate of change between them
  • Write a linear equation from a rate of change and y-intercept
  • Graph a linear equation

Before you begin

Student do not need prior experience writing or graphing linear equations. It will be helpful if they are comfortable graphing generally.

Common Core Standards

Content Standards
Mathematical Practices


Domino's Pizza