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Linear Functions and Find the Slope of a Line: College Algebra
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1. Find the slope of a line.
2. Interpret slope as a rate of change.
3. Find slopes of horizontal and vertical lines.
4. Find slopes of parallel and perpendicular lines.
The slope will be the same for a straight line no matter which two points you pick as you know. All you need to do is to calculate the difference in the y coordinates of the 2 points and divide that by the difference of the x coordinates of the points(rise over run). That will give you the slope.
2. Interpret slope as a rate of change.
3. Find slopes of horizontal and vertical lines.
4. Find slopes of parallel and perpendicular lines.
The slope will be the same for a straight line no matter which two points you pick as you know. All you need to do is to calculate the difference in the y coordinates of the 2 points and divide that by the difference of the x coordinates of the points(rise over run). That will give you the slope.
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