Slopes of Lines Given Two Points

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•
Mathematics
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
What is the formula to calculate the slope of a line given two points (x1, y1) and (x2, y2)?
Back
The slope (m) is calculated using the formula: m = \frac{y2 - y1}{x2 - x1}.
2.
FLASHCARD QUESTION
Front
Find the slope of the line that passes through the points (2, 3) and (4, 7).
Back
The slope is \frac{7 - 3}{4 - 2} = \frac{4}{2} = 2.
3.
FLASHCARD QUESTION
Front
What does a positive slope indicate about a line?
Back
A positive slope indicates that the line rises as it moves from left to right.
4.
FLASHCARD QUESTION
Front
What does a negative slope indicate about a line?
Back
A negative slope indicates that the line falls as it moves from left to right.
5.
FLASHCARD QUESTION
Front
If the slope of a line is zero, what does this mean about the line?
Back
A slope of zero means the line is horizontal.
6.
FLASHCARD QUESTION
Front
If the slope is undefined, what does this indicate about the line?
Back
An undefined slope indicates that the line is vertical.
7.
FLASHCARD QUESTION
Front
Calculate the slope of the line that passes through the points (1, 2) and (3, 6).
Back
The slope is \frac{6 - 2}{3 - 1} = \frac{4}{2} = 2.
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