Parallel and Perpendicular lines
Flashcard
•
Mathematics
•
8th - 9th Grade
•
Hard
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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 or intersect. 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
What is the slope of a line?
Back
The slope of a line is a measure of its steepness, usually represented as 'm' in the equation of a line, and is calculated as the rise over run.
4.
FLASHCARD QUESTION
Front
If two lines are parallel, what can be said about their slopes?
Back
If two lines are parallel, their slopes are equal.
5.
FLASHCARD QUESTION
Front
If two lines are perpendicular, what can be said about their slopes?
Back
If two lines are perpendicular, the product of their slopes is -1.
6.
FLASHCARD QUESTION
Front
What is the equation of a line in slope-intercept form?
Back
7.
FLASHCARD QUESTION
Front
How do you find the slope of a line given two points (x1, y1) and (x2, y2)?
Back
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