What the tool does, how to run it, and what to expect from the result.
Slope is rise over run: m = (y₂ − y₁) ÷ (x₂ − x₁). Through (1, 2) and (4, 8) the slope is 6 ÷ 3 = 2 and the line is y = 2x. The calculator also gives the y-intercept, the angle of the line, the distance between the points and the midpoint; a vertical line has undefined slope.
A quick way to understand who this helps, what it solves, and where it connects next.
Students, teachers and anyone checking a calculation.
Using the slope calculator without installing anything or signing up.
Short answers for the questions people usually have before trying a utility like this.
m = (y₂ − y₁) / (x₂ − x₁), the change in y divided by the change in x between two points.
With the slope m, solve b = y₁ − m × x₁ and write y = mx + b. For (1, 2) and slope 2, b = 0, so y = 2x.
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Enter your numbers and the result updates live in your browser. Nothing is uploaded and no server is used.
Calculations run locally in your browser; nothing is uploaded.