At about the 3:37 mark, the teacher says 3 times 9 is 24; he should have said 3 times 9 is 27. Thus, the final answer should be y=(3/5)x+12/5.
Find the equation of a line that is perpendicular and goes through a point
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Questions answered by this video:
How do I find the equation of a line that is perpendicular to a given line and passes through a given point?
What is the equation of the line that passes through (-9,-3) and is perpendicular to y=-(5/3)x-8?
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In this lesson, the teacher shows how to find the equation of a line that passes through a given point and is perpendicular to a given line.