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How to use
- 1Enter x₁, y₁, x₂ and y₂ to see Δx, Δy, angle and equation.
About
Analytic geometry tool for horizontal, sloped and vertical lines.
Slope calculator
Calculate slope, angle, distance and the line equation between two points.
Slope is Δy ÷ Δx. The page also reports the deltas, Euclidean distance and vertical lines.
Use it for analytic geometry, graphs and coordinate checks.
Examples
- (0, 0) and (3, 4) → slope 1.33 and distance 5.
Limitations
- Identical points do not define a unique line.
- Vertical lines have no defined numeric slope.
How to use
- 1Enter x₁, y₁, x₂ and y₂.
- 2Review deltas, slope and distance.
- 3Use the displayed equation when available.
Frequently asked questions
How is slope calculated?
Slope = (y₂ − y₁) ÷ (x₂ − x₁).
What if x₁ equals x₂?
The line is vertical and its numeric slope is undefined.
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