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327 B
327 B
Unit 1: Analytical Geometry
- The slope of perpedicular lines are
negative reciprocal
. - The slopes of parallel lines are
the same
- The slope of a vertical line is
undefined
- The slope of a horizontal line is
0
. The general equation of a line in standard form is \(`ax+by+c=0`\), where \(`a,b,c \in \mathbb{Z}, a>0`\)