Y y1 m x x1 Dont let the subscripts scare you. For this one they give you a point x1 y1 and a slope m and have you plug it into this formula. This online Two Point Slope Form Calculator helps you to find the equation of the straight line using the Two Point Form Method.
Equation from 2 points using Slope Intercept Form.
Find the equation of the line joining the points 3 6 and 2 -5. Y m x b. The point slope form calculator determines the point slope between two points in the Cartesian coordinate system. X 1 3 y 1 6 x 2 2 y 2 -5 Substitute in the formula as -1 y - 6 -11 x - 3 1 y - 6 11 x - 3 y - 6 11x - 33 Equation 11x - 33 - y 6 Equation of the Line 11x - y - 27 0 The above example will clearly illustrates how to calculate the Two Point form manually.