What are parallel lines?
Parallel and Perpendicular lines

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•
Mathematics
•
8th - 9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Lines that never intersect and have the same slope.
2.
FLASHCARD QUESTION
Front
What are perpendicular lines?
Back
Lines that intersect at a right angle (90 degrees) and have slopes that are negative reciprocals.
3.
FLASHCARD QUESTION
Front
If two lines have the same slope, what can we say about them?
Back
They are parallel.
4.
FLASHCARD QUESTION
Front
If the slope of one line is m, what is the slope of a line that is perpendicular to it?
Back
The slope will be -1/m.
5.
FLASHCARD QUESTION
Front
What is the slope of the line y = 2x + 3?
Back
The slope is 2.
6.
FLASHCARD QUESTION
Front
Write the equation of a line parallel to y = 3x + 4 that passes through the point (2, 5).
Back
y = 3x - 1.
7.
FLASHCARD QUESTION
Front
What is the slope of the line y = -1/2x + 6?
Back
The slope is -1/2.
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