The slope of a line is a measure of its steepness and direction. It is calculated by dividing the change in y by the change in x between two points on the line. The slope is represented by the variable m in the slope-intercept form of a linear equation, y = mx + b.
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To find the slope of a line given two points, (x1, y1) and (x2, y2), use the following formula:
m = (y2 - y1) / (x2 - x1)
For example, let’s say you have two points on a line, (1, 2) and (3, 4). To find the slope of the line, you would plug these values into the formula above:
m = (4 - 2) / (3 - 1) = 2 / 2 = 1
Therefore, the slope of the line is 1.
Here are some examples of different slopes:
- A slope of 1 means that the line rises by 1 unit for every 1 unit it moves to the right.
- A slope of 0 means that the line is horizontal.
- A slope of -1 means that the line falls by 1 unit for every 1 unit it moves to the right.
- A slope of undefined means that the line is vertical.
You can also visualize the slope of a line by looking at its graph. The steeper the line, the greater its slope. A horizontal line has a slope of 0, and a vertical line has an undefined slope.
I hope this helps!
