SOLUTION: How do you find the slope of a perpendicular line? A parallel line?

Algebra.Com
Question 559913: How do you find the slope of a perpendicular line? A parallel line?
Answer by richard1234(7193)   (Show Source): You can put this solution on YOUR website!
Two parallel lines have the same slope. Two perpendicular lines have slopes that multiply to -1.
RELATED QUESTIONS

How do you find the slope of a parallel... (answered by checkley77)
How do you find the slope of a parallel line and the slope of a perpendicular line with... (answered by ReadingBoosters)
How do you find to value for slope on a perpendicular or parallel... (answered by Edwin McCravy)
How can you find the slope of a parallel line and the slope of a perpendicular line with... (answered by ReadingBoosters)
How can you find the slope of a parallel line and the slope of a perpendicular line with... (answered by ReadingBoosters)
How do you find the slope of a line through (1,3) and (-2,5) Also, how do you find the (answered by funmath)
How do you find the slope of a line through (1,3) and (-2,5) Also, how do you find the (answered by drewman1010,checkley71)
How do I find the slope of a line parallel to the line -6x + 3y =... (answered by stanbon)
I am having a really hard time with Algebra. I do not know how to find the slope of a... (answered by TimothyLamb)