Géométrie
Equation of a Line Calculator | Find Line Equation from Two Points
Easily find the equation of a line passing through two points with our online calculator. Get the equation in slope-intercept form, standard form, and visualize the line.
Enter Coordinates
Point 1
Point 2
Slope-Intercept Form
Standard Form
Line Visualization
Understanding the Equation of a Line
In mathematics, the equation of a line describes a straight line on a graph. The most common forms are:
- Slope-Intercept Form: y = mx + b, where m is the slope and b is the y-intercept. This form is useful for quickly identifying the slope and y-intercept of a line.
- Standard Form: Ax + By = C, where A, B, and C are integers, and A and B are not both zero. This form is useful for solving systems of linear equations and is often preferred for general algebraic manipulations.
This calculator helps you find both forms of the equation given any two points on the line. Simply input the x and y coordinates of two distinct points, and the tool will calculate and display the equation in both slope-intercept and standard forms, along with a visual representation of the line.
Learn more about linear equations on resources like Khan Academy or Wikipedia.