Writing the Equation of a Line

an architectural drawing using lines

By definition, the graph of a linear equation is always a line. The equation of a line, however, can be presented in multiple forms. In this topic, you will learn how to write the equation of a line in slope-intercept form, point-slope form, and standard form.

Essential Questions

  • How can you write the equation of a line when given the graph of the line?
  • How can you write the equation of a line when given two points on the line?
  • How can you write the equation of a line in when given the slope and a point on the line?