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Lines

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Now available: Coolmath Algebra books! Part 1, Part 2 and Part 3 covering the Algebra you need from Algebra 1 through Precalculus Algebra (Beginning Algebra through College Algebra)

other Coolmath Books: Coolmath Precalculus Review (the math you really need to survive Calculus 1) and Math Survival Guide (How to conquer math and deal with math anxiety)
Lines Lesson 1 The Cartesian (Rectangular) Coordinate System
Lines Lesson 2 Plotting Points
  What's a Line?  <<<  online-only bonus lesson!
Lines Lesson 3 Graphing Lines Using Intercepts
Lines Lesson 4 What is the Slope of a Line?
Lines Lesson 5 Finding the Slope of a Line from the Graph
Lines Lesson 6 Finding the Slope of a Line from Two Points
 crunch some
Lines Lesson 7 Equations of Lines
Lines Lesson 8 Horizontal and Vertical Lines
Lines Lesson 9 Graphing Overview
Lines Lesson 10 Finding the Slope from the Equation of a Line
 crunch some
Lines Lesson 11 Finding the Equation of a Line Given a Point and a Slope
 crunch some
Lines Lesson 12 Finding the Equation of a Line Given Two Points
 crunch some
Lines Lesson 13 Parallel Lines
 crunch some
Lines Lesson 14 Perpendicular Lines
 crunch some
Lines Lesson 15 Graphing Line Inequalities

Lines Practice
 This is a listing of the "crunch some" problems for this chapter
Finding the slope of a line given two points

Example: Find the slope given ( -2, 5 ) and ( 7, -3 )

 Finding the slope from the equation of a line

Example: Find the slope given 2x+3y=6
Finding the equation of a line given a point and a slope

Example: Find the equation given m = -5 and ( -6, 2 )

 Finding the equation of a line given two points

Example: Find the equation given ( -1, 3 ) and ( 8, -5 )
Finding the equation of the line that is parallel to a given line and passing through a given point

Example: Find the equation that is parallel to 3x-5y=8 and passes through ( -2, 4 )

 Finding the equation of the line that is perpendicular to a given line and passing through a given point

Example: Find the equation that is perpendicular to 7x+6y=-3 and passes through ( 5, -2 )

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