What is the definition of parallel lines?
Parallel and Perpendicular Lines

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Mathematics
•
8th 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 negative reciprocals of each other.
3.
FLASHCARD QUESTION
Front
If a line has a slope of m = 2, what is the slope of a line parallel to it?
Back
The slope of a line parallel to it is also 2.
4.
FLASHCARD QUESTION
Front
If a line has a slope of m = -3, what is the slope of a line perpendicular to it?
Back
5.
FLASHCARD QUESTION
Front
What is the slope of the line represented by the equation y = 4x + 1?
Back
The slope of the line is 4.
6.
FLASHCARD QUESTION
Front
Back
The lines are Parallel.
7.
FLASHCARD QUESTION
Front
Back
The lines are Perpendicular.
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