Khan Academy
Khan Academy: 4. Using the Line Equation
Next we need to throw away the slope-intercept form and use the line equation instead. Click here to see why dividing by zero is bad. Click here to try the interactive program shown in the video.
Sophia Learning
Sophia: Finding an Equation From the Slope and the Y Intercept: Lesson 9
Given the slope and y-intercept of a line, this lesson how the equation of the line can be found. It is 9 of 11 in the series titled "Finding an Equation from the Slope and the Y Intercept."
Sophia Learning
Sophia: Writing a Linear Equation From a Parallel Line and Point
This lesson presents how to write an equation of a line that passes through a given point and is parallel to a given line.
Sophia Learning
Sophia: Writing a Linear Equation From a Parallel Line and Point
This lesson presents how to write an equation of a line that passes through a given point and is parallel to a given line.
Sophia Learning
Sophia: Writing a Linear Equation From a Perpendicular Line and Point
This lesson presents how to write an equation of a line that passes through a given point and is perpendicular to a given line.
Sophia Learning
Sophia: Writing a Linear Equation From a Perpendicular Line and Point
This lesson presents how to write an equation of a line that passes through a given point and is perpendicular to a given line.
Sophia Learning
Sophia: Finding an Equation From the Slope and the Y Intercept: Lesson 1
Given the slope and y-intercept of a line, this lesson how the equation of the line can be found. It is 1 of 11 in the series titled "Finding an Equation from the Slope and the Y Intercept."