Equations of Parallel and Perpendicular Lines
Flashcard
•
Mathematics
•
9th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the slope of a line in the equation y = mx + b?
Back
The slope (m) represents the steepness of the line, indicating how much y changes for a unit change in x.
2.
FLASHCARD QUESTION
Front
What does it mean for two lines to be parallel?
Back
Two lines are parallel if they have the same slope and will never intersect.
3.
FLASHCARD QUESTION
Front
What does it mean for two lines to be perpendicular?
Back
Two lines are perpendicular if the product of their slopes is -1, meaning their slopes are negative reciprocals of each other.
4.
FLASHCARD QUESTION
Front
If the slope of a line is 2, what is the slope of a line that is perpendicular to it?
Back
5.
FLASHCARD QUESTION
Front
Write the equation of a line parallel to y = 4x + 3 that passes through the point (1, 2).
Back
The equation is y = 4x - 2.
6.
FLASHCARD QUESTION
Front
What is the slope of the line y = -3x + 5?
Back
The slope is -3.
7.
FLASHCARD QUESTION
Front
If two lines are perpendicular, and one line has a slope of 1, what is the slope of the other line?
Back
The slope of the other line is -1.
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