Math 1313 Prerequisites Equations Worksheet With Answers Page 2
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6Parallel and Perpendicular Lines
Two lines are parallel if and only if their slopes are the same.
Two lines are perpendicular if and only if their slopes are negative reciprocals of each
other.
Example 3: Find an equation of the line that passes through the point (-2, 2) and is
parallel to the line 2 x – 4 y – 8 = 0.
Example 4: Find an equation of the line that passes through the point (-1, -3) and is
perpendicular to the line that passes through (3, -4) and (9, -6).
Example 5: Find the point of intersection.
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x
5
y
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a.
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4
y
2
Math 1313 - Prerequisites
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