Solving Quadratics Graphically – Advanced

Use an understanding of equality to find solutions of quadratics graphically. A well-designed lesson illustrates the relationship between the right and left sides of an equation graphically. With one side quadratic and the other side linear, the solutions to the equation lie on the intersection of the parabola and line.

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CCSS: Adaptable
Additional Tags
Instructional Ideas
  • Demonstrate how to use the method to solve linear, or other types of equations, as well
  • Have pupils create an equation for a partner to solve
Classroom Considerations
  • Requires a strong understanding of graphing quadratic functions
Pros
  • Uses color to emphasize important concepts
  • Offers several examples that show both integer and decimal answers
Cons
  • None