Slopes of Parallel and Perpendicular Lines
Flashcard
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the definition of parallel lines?
Back
Parallel lines are lines in a plane that never meet. They have the same slope.
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 negative reciprocals of each other.
3.
FLASHCARD QUESTION
Front
If the slope of a line is m, what is the slope of a line parallel to it?
Back
The slope of a line parallel to it is also m.
4.
FLASHCARD QUESTION
Front
If the slope of a line is m, what is the slope of a line perpendicular to it?
Back
The slope of a line perpendicular to it is -1/m.
5.
FLASHCARD QUESTION
Front
What is the slope of a horizontal line?
Back
The slope of a horizontal line is 0.
6.
FLASHCARD QUESTION
Front
What is the slope of a vertical line?
Back
The slope of a vertical line is undefined.
7.
FLASHCARD QUESTION
Front
How do you determine if two lines are parallel using their slopes?
Back
Two lines are parallel if their slopes are equal.
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