Geometry/Notes 10.8
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This document provides information about writing and graphing equations of circles. It defines a circle as the set of all points equidistant from a given point, called the center. The equation of a circle relates the radius and center point using the form (x - h)2 + (y - k)2 = r2, where (h, k) represents the center and r is the radius. Examples are given of writing equations for circles with specified centers and radii. The lesson plan outlines introducing the key concepts, guided practice examples, and a worksheet for independent practice in writing and graphing circle equations.
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Geometry/Notes 10.8
- 1. SECTION 10.8 – EQUATIONS OF CIRCLES
- 2. EQUATIONS OF CIRCLES How do I write the equation of a circle? How do I graph a circle on the coordinate plane?
- 3. CIRCLE Circle: A circle is the locus of points in a plane equidistant from a given point.
- 4. EQUATION
- 5. EQUATION
- 6. CENTER
- 7. EXAMPLES Write an equation for a Write an equation for a circle with the center at (3, circle with the center at (– –3), d = 12. 12, –1), r = 8.
- 8. GRAPH
- 9. GRAPH
- 10. HOMEWORK Worksheet
- 11. LESSON PLAN Intro Define the equation of a circle and graph it on a coordinate plane. Standards- 9.7 (power) Supplies – slides, whiteboard, note sheets Timing: One day for notes, one day for a combined review of 10.5, 10.6, and 10.7 and a quiz. Day 1: Essential Questions- slides 2 Input-slides 3 - 5 Guided Practice - slides 6 - 9 Independent Practice – Worksheet