Lesson 8
Equations and Graphs
Lesson Narrative
In this lesson, students write an equation for a parabola and rewrite it in vertex form. Then, they match graphs of parabolas to equations. Students reason abstractly and quantitatively (MP2) as they create a parabola equation by applying the concept of distance calculations.
Learning Goals
Teacher Facing
- Generalize (using words and other representations) the process of repeated distance calculations to derive an equation for a parabola in the coordinate plane.
Student Facing
- Let’s write an equation for a parabola.
Required Materials
Required Preparation
The graphing technology is for use in the extension problem of the activity Card Sort: Parabolas.
Learning Targets
Student Facing
- I can derive an equation for a parabola in the coordinate plane given a focus and a directrix.
CCSS Standards
Addressing
Print Formatted Materials
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Additional Resources
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