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Slope & Line Equation Calculator

Find slope and intercept from two points.

Tool inputs stay in your browser · optional AI search sends your query

Good to know: Slope = Δy/Δx. Vertical lines have undefined slope; identical points do not define a unique line.

How to use it (step by step)

  1. 1Fill in the boxes: “x₁”, “y₁”, “x₂”, “y₂”. Example numbers are already there so you can see how it works; replace them with yours.
  2. 2The result updates instantly as you type (on a phone it is below the boxes).
  3. 3The bold line is the main answer. Tap Copy next to any value to copy it.

Words to know

Cashback / rewards
Money or points you get back for spending on a card, like a small discount after you pay.
Equation
A math sentence with an equals sign and an unknown (x). Solving it means finding the value of x that makes it true.

More in Math

Cylinder Volume & Surface AreaVolume and closed surface area of a right circular cylinder.Cone CalculatorVolume and total surface area of a right circular cone.Sphere CalculatorFind sphere volume and surface area.Distance & Midpoint CalculatorDistance and midpoint between two Cartesian points.Two Linear Equations SolverSolve ax + by = e and cx + dy = f.Arithmetic Sequence CalculatorFind the nth term and sum of a constant-difference sequence.