SOLUTION: determine whether the line 5x+3y=9 and -3x+5y=10 are parallel, perpendicular or neither

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Question 1158378: determine whether the line 5x+3y=9 and -3x+5y=10 are parallel, perpendicular or neither
Answer by Shin123(626) About Me  (Show Source):
You can put this solution on YOUR website!
graph%28450%2C450%2C-10%2C10%2C-10%2C10%2Cy=%289-5x%29%2F3%2Cy=%283x%2B10%29%2F5%29. The slope of the first line is -5%2F3 and the slope of the second line is 3%2F5. Since -5%2F3%2A3%2F5=-1, the lines are perpendicular.