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Equations of Circles (Day 2)

Lesson Prep

Lesson Details

  • Duration: 50 minutes

  • Learning Goal: Build proficiency and understanding with equations of circles using a group task. Then, determine next instructional steps with formative assessment.

Prework

  • Make sure you have Chromebooks or some other class set of technology.

Classwork

Finished Early?

Standards

Common Core

  • HSG.GPE.A.1 – Derive the equation of a circle of given center and radius using the Pythagorean Theorem; complete the square to find the center and radius of a circle given by an equation.

TEKS

  • G.12(E) – show that the equation of a circle with center at the origin and radius r is x² + y² = r² and determine the equation for the graph of a circle with radius r and center (h, k), (x – h)² + (y – k)² = r²

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