holt algebra 1 65 slopes of parallel and perpendicular lines warm up find the reciprocal. 1. 2 2. 3....
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Holt Algebra 1
65 Slopes of Parallel and Perpendicular Lines
Warm UpFind the reciprocal.
1. 2 2.
3.
Find the slope of the line that passes througheach pair of points.4. (2, 2) and (–1, 3)
5. (3, 4) and (4, 6)
6. (5, 1) and (0, 0)
Holt Algebra 1
65 Slopes of Parallel and Perpendicular Lines
Identify and graph parallel and perpendicular lines.
Write equations to describe lines parallel or perpendicular to a given line.
Learning Targets
Holt Algebra 1
65 Slopes of Parallel and Perpendicular Lines
Holt Algebra 1
65 Slopes of Parallel and Perpendicular Lines
http://my.hrw.com/math11/math06_07/nsmedia/lesson_videos/alg1/player.html?contentSrc=6349/6349.xml
Holt Algebra 1
65 Slopes of Parallel and Perpendicular Lines
Holt Algebra 1
65 Slopes of Parallel and Perpendicular Lines
http://my.hrw.com/math11/math06_07/nsmedia/lesson_videos/alg1/player.html?contentSrc=7524/7524.xml
Holt Algebra 1
65 Slopes of Parallel and Perpendicular Lines
Holt Algebra 1
65 Slopes of Parallel and Perpendicular Lines
Holt Algebra 1
65 Slopes of Parallel and Perpendicular Lines
http://my.hrw.com/math11/math06_07/nsmedia/lesson_videos/alg1/player.html?contentSrc=7522/7522.xml
Holt Algebra 1
65 Slopes of Parallel and Perpendicular Lines
Holt Algebra 1
65 Slopes of Parallel and Perpendicular Lines
http://my.hrw.com/math11/math06_07/nsmedia/lesson_videos/alg1/player.html?contentSrc=7524/7524.xml
Holt Algebra 1
65 Slopes of Parallel and Perpendicular Lines
Holt Algebra 1
65 Slopes of Parallel and Perpendicular Lines
http://my.hrw.com/math11/math06_07/nsmedia/lesson_videos/alg1/player.html?contentSrc=7521/7521.xml
AB is parallel to CD because ___________________
AD is parallel to BC because ___________________
Slope BC = ________
Slope AD = ________
Holt Algebra 1
65 Slopes of Parallel and Perpendicular Lines
Holt Algebra 1
65 Slopes of Parallel and Perpendicular Lines
Holt Algebra 1
65 Slopes of Parallel and Perpendicular Lines
Lesson Quiz: Part I
Write an equation is slope-intercept form for the line described.
1. contains the point (8, –12) and is parallel to
2. contains the point (4, –3) and is
perpendicular to y = 4x + 5
Holt Algebra 1
65 Slopes of Parallel and Perpendicular Lines
Lesson Quiz: Part II
3. Show that WXYZ is a rectangle.