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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
Last problem on 2nd page taken from Geoff Krall
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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