Parallel and Perpendicular Lines
Flashcard
•
Mathematics
•
8th - 12th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What are parallel lines?
Back
Parallel lines are lines in a plane that never meet. They have the same slope.
2.
FLASHCARD QUESTION
Front
What are perpendicular lines?
Back
Perpendicular lines are lines that intersect at a right angle (90 degrees). Their slopes are opposite reciprocals.
3.
FLASHCARD QUESTION
Front
If two lines have slopes of 3 and -1/3, what can we say about them?
Back
The lines are perpendicular because their slopes are opposite reciprocals.
4.
FLASHCARD QUESTION
Front
What is the slope of a line parallel to y = 4x + 1?
Back
The slope is 4, as parallel lines have identical slopes.
5.
FLASHCARD QUESTION
Front
What is the slope of a line perpendicular to y = -2x + 5?
Back
The slope is 1/2, as it is the opposite reciprocal of -2.
6.
FLASHCARD QUESTION
Front
How can you determine if two lines are parallel from their equations?
Back
If the slopes of the two lines are identical, then the lines are parallel.
7.
FLASHCARD QUESTION
Front
What is the relationship between the slopes of two perpendicular lines?
Back
The slopes of two perpendicular lines are opposite reciprocals of each other.
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