An example of how to find a line perpendicular to a given line and through a given point. This one involves some fractions in the calculations as well.
Questions answered by this video:
How do you write an equation of the line containing the point (-3, 4) and perpendicular to the line 8x + 7y = 5?
How do you find the equation of the line perpendicular to a given line that passes through a given point?
How do you find the slope of a line in standard form?
What is the slope of the line 8x + 7y = 5?
How do you change an equation from standard form into slope-intercept form?
If the slope of a line is -8/7, what is the slope of a perpendicular line?
What is the point-slope formula and how can you use it to write an equation?
Staff Review
Currently 4.0/5 Stars.
This lesson does a great job of explaining how to find the equation of a line that passes through a point and is perpendicular to another line in standard form. This problem is very common and this explanation goes through every step slowly and clearly.