Parallel and Perpendicular Lines

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Presentation transcript:

Parallel and Perpendicular Lines Ch 5-6 Students will be able to determine whether lines are parallel, perpendicular, or neither. Parallel and Perpendicular Lines Algebra 1 Foundations, pg 357

Ch 5-6 Students will be able to determine whether lines are parallel, perpendicular, or neither. Two distinct lines in a coordinate plane either intersect or are parallel. Parallel lines are lines in the same plane that never intersect. Focus Question How do you use slope to find the relationship between two lines?? You can find a relationship between two lines by comparing their slopes. Parallel lines have the same slope. Perpendicular lines have slopes that are opposite reciprocals. Algebra 1 Foundations, pg 357, 360

Ch 5-6 Students will be able to determine whether lines are parallel, perpendicular, or neither. You can use the fact that the slopes of parallel lines are the same to write the equation of a line parallel to a given line. Algebra 1 Foundations, pg 357

Ch 5-6 Students will be able to determine whether lines are parallel, perpendicular, or neither. You can also use slope to determine whether two lines are perpendicular. Perpendicular lines are lines that intersect to form right angles. Algebra 1 Foundations, pg 358

Ch 5-6 Students will be able to determine whether lines are parallel, perpendicular, or neither. Algebra 1 Foundations, pg 360

Ch 5-6 Students will be able to determine whether lines are parallel, perpendicular, or neither. Algebra 1 Foundations, pg 361

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