Chapter 4-7 Parallel Lines

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Presentation transcript:

Chapter 4-7 Parallel Lines

Write an equation of the line that passes through a given point, parallel to a given line. Write an equation of the line that passes through a given point, perpendicular to a given line. parallel lines perpendicular lines Lesson 7 MI/Vocab

Standard 8.0 Students understand the concepts of parallel lines and perpendicular lines and how those slopes are related. Students are able to find the equation of a line perpendicular to a given line that passes through a given point. (CAHSEE) Lesson 7 CA

Lesson 7 Key Concept 1

Parallel Line Through a Given Point Write the slope-intercept form of an equation for the line that passes through (4, –2) and is parallel to the graph of Lesson 7 Ex1

Parallel Line Through a Given Point Point-slope form Replace m with y with –2, and x with 4. Simplify. Distributive Property Subtract 2 from each side. Lesson 7 Ex1

Parallel Line Through a Given Point Write the equation in slope-intercept form. Answer: The equation is Lesson 7 Ex1

Write the slope-intercept form of an equation for the line that passes through (2, 3) and is parallel to the graph of A. B. C. D. A B C D Lesson 7 CYP1

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