University:
High School
Course:
High School Geometry
Academic year:

2022
Views:

362

Pages:

3
Author:

Bailey Ortega

Equations of Parallel and Perpendicular Lines Theorems Theorem 3.13 Slopes of Parallel Lines In а coordinate plane, two non-vertical Iines are parallel ifand only ifthey have the same slope. ----- Theorem 3.14 Slopes of Perpendicular Lines In а coordinate plane, two nonvertical lines are perpendicular ifand only ifthe product oftheir slopes is -1. ,у Horizontal lines are perpendicular ----------------------E X P LO RAT I O N: Writing Equations of Parallel Lines Writing an equation of the line that is parallel to the given line and passes through the given point. а. Write an equation ofthe line that is parallel to the line the point 1 -2 3. Determine which ofthe lines are parallel and which ofthe