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Unit 6: G6 Coordinate Geometry
Contributors ........................................................ 3
UnitNarrative....................................................... 5 Lesson1:RigidTransformationsinthePlane ............................ 7 Lesson2:TransformationsasFunctions................................ 18 Lesson3:DistancePreservingTransformations ......................... 30 Lesson4:DistancesandCircles ....................................... 40 Lesson5:DistancesandPerpendicularBisectors........................ 49 Lesson6:DistancesandParabolas .................................... 55 Lesson7:CompletingtheSquareforCirclesandParabolas............... 62 Lesson8:EquationsofLines.......................................... 70 Lesson9:Parallelism ................................................ 80 Lesson10:Perpendicularity .......................................... 90 Lesson11:CoordinateProof.......................................... 98 Lesson12:WeightedAverages....................................... 108 Lesson13:WeightedAveragesinaTriangle ........................... 116 Lesson14:PointsofConcurrency .................................... 125 Glossary.......................................................... 136 Attributions....................................................... 140
Contributors Writing Team
3
Unit 6
Table of Contents
