What is the formula to calculate the slope (m) between two points (x1, y1) and (x2, y2)?
Unit 6 - 2 FC Slope: Given Two points

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Mathematics
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8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The formula for slope is m = (y2 - y1) / (x2 - x1).
2.
FLASHCARD QUESTION
Front
What does a positive slope indicate about the direction of a line on a graph?
Back
A positive slope indicates that as x increases, y also increases, meaning the line rises from left to right.
3.
FLASHCARD QUESTION
Front
What does a negative slope indicate about the direction of a line on a graph?
Back
A negative slope indicates that as x increases, y decreases, meaning the line falls from left to right.
4.
FLASHCARD QUESTION
Front
What does an undefined slope indicate about a line?
Back
An undefined slope indicates a vertical line, where the x-coordinates are the same, resulting in division by zero.
5.
FLASHCARD QUESTION
Front
How do you determine if the slope is zero?
Back
The slope is zero when the line is horizontal, meaning the y-coordinates are the same for different x-coordinates.
6.
FLASHCARD QUESTION
Front
Given the points (2, 3) and (4, 7), what is the slope of the line that passes through them?
Back
The slope is m = (7 - 3) / (4 - 2) = 4 / 2 = 2.
7.
FLASHCARD QUESTION
Front
If a line passes through the points (1, 2) and (1, 5), what is the slope?
Back
The slope is undefined because the x-coordinates are the same (1), indicating a vertical line.
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