Agenda: 1. Take notes on “Distance Formula” 2. Return Spirals and Quizzes and tell each student the 5 th Marking Period grades 3. If you want to make quiz corrections, you may do so after the lesson On a separate sheet of paper. WRITTEN OUT COMPLETELY! 4. Homework on “Distance Formula” 5. Quiz on Monday, 5/16/2011
Distance Formula Mrs. King and Mr. Zampetti Geometry Unit 12, Day 8
Getting Started… Kayleigh walks to a friend’s house by traveling 5 blocks west and then 12 blocks north. She returns home later by cutting diagonally through her neighbors’ yards. What distance did she travel on her voyage home?
Kayleigh’s Journey…
Distance on the coordinate plane The distance between two points and on the coordinate plane (graph) can be found using the formula:
4
Find the distance between (-3, 2) and (4, 1) x 1 = -3, x 2 = 4, y 1 = 2, y 2 = 1 d = Example: Distance Formula
Homework Work Packet: Distance Formula