This lecture discusses the equation of parallel lines, the equation of perpendicular lines, and reducing the general form of a line equation to its normal form. It provides examples of finding the equation of parallel and perpendicular lines given the equation of another line, as well as reducing a line's general form to its normal form through sample problems.

1. ANALYTIC GEOMETRY
MATH 004
Lecture #4
• Equation of parallel line
• Equation of perpendicular line
• Reduction of General form of a line to Normal
equation of a line

2. EQUATION OF PARALLEL LINE
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3. EQUATION OF
PERPENDICULAR LINE
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4. Sample Problem
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5. REDUCTION OF GENERAL FORM
TO A NORMAL FORM OF A LINE
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6. 

7. Sample Problem
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