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Math Help - Determining whether a line is perp, parallel, or neither?

  1. #1
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    Determining whether a line is perp, parallel, or neither?

    I have a question on my practice quiz that states " Determine whether the lines y= -7x+3 and 7y-x=3 are parallel, perpendicular, or neither." Could someone please give me a way to find this out. Thanks!!!!
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  2. #2
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    Re:

    Hi Mathfailure!


    The answer is Perpendicular

    Please click on the following link to see the work:

    1. http://item.slide.com/r/1/5/i/RrW1tO...27oIW5hm17iME/



    Best of Luck!!
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  3. #3
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    that was so great! Thanks
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