Equation of a Line

Summary

given the equation of a straight line in the form y = mx + c, its gradient and y-intercept can be found.

there are formulas for finding the equation of a straight line given its gradient and its y-intercept or a point that it passes through.

the general equation of a straight line is ax + by + c = 0

 

Key Skills

 

  • rearrange the equation of a straight line
  • find the gradient or y-intercept of a line given its equation.
  • find the equation of a line given its gradient and y-intercept
  • find the equation of a line given its gradient and a point that it passes through
  • find the equation of a line given two points it passes through

Vocabulary

gradient, y-intercept.