What are parallel lines?
Parallel and Perpendicular Equations

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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 are 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
How do you determine if two lines are parallel?
Back
Two lines are parallel if they have the same slope.
4.
FLASHCARD QUESTION
Front
How do you determine if two lines are perpendicular?
Back
Two lines are perpendicular if the product of their slopes is -1.
5.
FLASHCARD QUESTION
Front
What is the slope of the line y = 4x + 7?
Back
The slope is 4.
6.
FLASHCARD QUESTION
Front
Write the equation of a line parallel to y = 3x + 2 that passes through the point (1, 5).
Back
The equation is y = 3x + 2.
7.
FLASHCARD QUESTION
Front
Write the equation of a line perpendicular to y = -rac{1}{3}x + 4 that passes through the point (3, 2).
Back
The equation is y = 3x - 7.
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