What is the definition of parallel lines?
Parallel & Perpendicular Lines
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Mathematics
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9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Parallel lines are lines in a plane that never meet. They have the same slope but different y-intercepts.
2.
FLASHCARD QUESTION
Front
What is the definition of perpendicular lines?
Back
Perpendicular lines are lines that intersect at a right angle (90 degrees). The slopes of perpendicular lines are opposite reciprocals.
3.
FLASHCARD QUESTION
Front
If the slope of a line is 2, what is the slope of a line that is perpendicular to it?
Back
4.
FLASHCARD QUESTION
Front
Back
5.
FLASHCARD QUESTION
Front
Back
6.
FLASHCARD QUESTION
Front
Back
The lines are parallel because they have the same slope of 3.
7.
FLASHCARD QUESTION
Front
What is the relationship between the slopes of two lines that are parallel?
Back
The slopes of two parallel lines are equal.
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