The equation of a line is linear in two variables, usually x and y, that is satisfied by points of the line. The equation of line is usually found by the point-slope form y - y_1 = m (x - x_1), where m is the slope and (x_1, y_1) is a point on the line.
How to find the equation of a line with one point - Quora
Problem Set - Equation of a Line
How to Find the Equation of a Perpendicular Line: 11 Steps
Slope of a Line - Definition, Formulas and Examples
Point-Slope Equation of a Line
How to Find the Tangent Line to a Curve at a Given Point
A straight line has a gradient of -3 and passes through the point
How to Find the Equation of a Line: 8 Steps (with Pictures)
Two Point Form - Formula, Derivation, Examples
FINDING A LINE EQUATION FROM TWO POINTS! (SLOPE & Y-INT)
Vector Equation - Line & Plane Equations, Formula, Examples