Lesson 9
Equivalent Equations and Functions
These materials, when encountered before Algebra 1, Unit 7, Lesson 9 support success in that lesson.
Lesson Narrative
In this lesson, students find solutions to quadratic equations and recognize the solutions as \(x\)intercepts of related functions then match equivalent equations. In the associated Algebra 1 lesson, students solve equations in factored form. Practicing finding equivalent equations and their solutions, gives students additional support before working with the Algebra 1 lesson. Explaining why equations are equivalent requires students to construct viable arguments and critique the reasoning of others (MP3).
Learning Goals
Teacher Facing
 Recognize solutions to quadratic equations as $x$intercepts
Student Facing
 Let’s explore equivalent equations
Required Materials
Required Preparation
CCSS Standards
Print Formatted Materials
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Additional Resources
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