# 6.6 NOTES – Parallel and Perpendicular Lines

```6.6 NOTES – Parallel and Perpendicular Lines
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Are the two lines
parallel? _____________
Explain how you know:
____________________
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____________________
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Are the two lines
parallel? _____________
Explain how you know:
____________________
____________________
____________________
____________________
Review:
Two lines are parallel if ______________________________________________________________________
**You have a point find the
slope and use point-slope
form!!!!
Then put it into slopeintercept form for your final
Just watch the video!
Don’t write it down,
you won’t have to
know how to do it 
**You have a point find the
slope and use point-slope
form!!!!
Then put it into slopeintercept form for your final
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Opposite Reciprocal Examples
Give the opposite reciprocal of each number:
1.
𝟐
𝟑
 _____
𝟏
3. − 𝟐  _____
4. – 4  ______
**You have a point find the slope and use point-slope form!!!!