Frequent Questions about our Solver

The problem

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how do you solve this problem.

what is the slope of the line perpendicular to the line given by 3x-5y=8

Answer provided by our tutors

That type of problem is ambiguous because a point must be defined.  You can define a point by choosing a value for 'x' and then solving for 'y'... in doing so, we defined the point (1,-1) as lying on the equation '3x-5y=3'.  An equation perpendicular to that point is solved by "(y-y1)=m(x-x1)" where x1=1 and y1=-1 (the defined points through which the line will pass). 

So the equation for that particular perpendicular line (there would be an unlimited number of perpendicular lines to be chosen):

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That approach is better suited for the desktop Algebrator, as a nice array of "wizards" exist and especially appropriate for linear equations.  To help you clearly understand our desktop software and how appropriate it may be for your needs, please use one of the following links to obtain a free trial of the program:

Windows: http://www.softmath.com/tr/alg51win-tr-en.exe

Mac: http://www.softmath.com/tr/alg51mac-tr-en.dmg

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