What is the formula to find the slope (m) between two points (x1, y1) and (x2, y2)?
Writing Equations From 2 Points

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Mathematics
•
6th - 8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
m = (y2 - y1) / (x2 - x1)
2.
FLASHCARD QUESTION
Front
What does the slope of a line represent?
Back
The slope represents the rate of change of y with respect to x, indicating how steep the line is.
3.
FLASHCARD QUESTION
Front
What is the y-intercept in the equation of a line y = mx + b?
Back
The y-intercept (b) is the point where the line crosses the y-axis.
4.
FLASHCARD QUESTION
Front
How do you write the equation of a line given the slope and a point?
Back
Use the point-slope form: y - y1 = m(x - x1).
5.
FLASHCARD QUESTION
Front
What is the point-slope form of a linear equation?
Back
y - y1 = m(x - x1), where (x1, y1) is a point on the line and m is the slope.
6.
FLASHCARD QUESTION
Front
How do you convert the point-slope form to slope-intercept form?
Back
Rearrange the equation to solve for y: y = mx + b.
7.
FLASHCARD QUESTION
Front
What is the slope of a line that is vertical?
Back
The slope of a vertical line is undefined.
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