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6/1/2010 Slope #27. LT: I will identify the slope of a line. Entry Task: What is the slope of a line? What did you learn about slope in Science?. *TURN IN TEXTBOOKS. Today’s Plan: -Intro to slope video -Slope practice. LT: I will identify the slope of a line.
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6/1/2010 Slope #27 LT: I will identify the slope of a line. Entry Task: What is the slope of a line? What did you learn about slope in Science? *TURN IN TEXTBOOKS Today’s Plan: -Intro to slope video -Slope practice LT: I will identify the slope of a line.
6/1/2010 Slope #27 LT: I will identify the slope of a line. Video Today’s Plan: -Intro to slope video -Slope practice LT: I will identify the slope of a line.
riserun vertical change horizontal change = slope = The slope of a horizontal line is 0. The slope of a vertical line is undefined. riserun slope =
6/1/2010 Slope #27 Slope is a number that describes how steep a line is. riserun slope = + 0 Undefined - LT: I will identify the slope of a line. Today’s Plan: -Intro to slope video -Slope practice
A. XY positive slope; slope of XY = = 5 4 –5 –4 Additional Example 1A: Finding the Slope of a Line Determine if the slope of each line is positive, negative, 0, or undefined. Then find the slope of each line.
negative slope; slope of ZA = = – –1 2 1 2 Additional Example 1B: Finding the Slope of a Line Determine if the slope of each line is positive, negative, 0, or undefined. Then find the slope of each line. B. ZA
slope of BC is undefined Additional Example 1C: Finding the Slope of a Line Determine if the slope of each line is positive, negative, 0, or undefined. Then find the slope of each line. C. BC
slope of DM = 0 Additional Example 1D: Finding the Slope of a Line Determine if the slope of each line is positive, negative, 0, or undefined. Then find the slope of each line. D. DM
A. AB positive slope; slope of AB = 1 8 Try This: Example 1A Determine if the slope of each line is positive, negative, 0, or undefined. Then find the slope of each line. B A C E F G H D
slope of CD is undefined Try This: Example 1B Determine if the slope of each line is positive, negative, 0, or undefined. Then find the slope of each line. B A B. CD C E F G H D
slope of EF = 0 Try This: Example 1C Determine if the slope of each line is positive, negative, 0, or undefined. Then find the slope of each line. B A C. EF C E F G H D
negative slope; slope of GH = = – –1 3 1 3 Try This: Example 1D Determine if the slope of each line is positive, negative, 0, or undefined. Then find the slope of each line. B A D. GH C E F G H D