Find slope of a line from a graph or two points

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•
Mathematics
•
7th - 9th Grade
•
Hard
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1.
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'. It is calculated as the change in y (rise) divided by the change in x (run).
2.
FLASHCARD QUESTION
Front
How do you find the slope from a graph?
Back
To find the slope from a graph, select two points on the line, determine the rise (vertical change) and run (horizontal change) between them, and then divide rise by run.
3.
FLASHCARD QUESTION
Front
What does a positive slope indicate?
Back
A positive slope indicates that as the x-value increases, the y-value also increases, showing an upward trend.
4.
FLASHCARD QUESTION
Front
What does a negative slope indicate?
Back
A negative slope indicates that as the x-value increases, the y-value decreases, showing a downward trend.
5.
FLASHCARD QUESTION
Front
What does an undefined slope mean?
Back
An undefined slope occurs when a line is vertical, meaning there is no change in x (run = 0), making the slope calculation impossible.
6.
FLASHCARD QUESTION
Front
What is the slope of a horizontal line?
Back
The slope of a horizontal line is 0, indicating that there is no change in y as x changes.
7.
FLASHCARD QUESTION
Front
How do you calculate the slope between two points (x1, y1) and (x2, y2)?
Back
The slope (m) is calculated using the formula m = (y2 - y1) / (x2 - x1).
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