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Joe
Lv 4
Joe asked in Science & MathematicsMathematics · 4 years ago

Are vectors (4,-12) and (7,21) parallel, and if so then why?

3 Answers

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  • Puzzling
    Lv 7
    4 years ago
    Favorite Answer

    The slope of the first vector is:

    -12/4 = -3

    The slope of the second vector is:

    21/7 = 3

    They have different slopes so aren't parallel.

  • J
    Lv 7
    4 years ago

    positive slope goes up to right

    negative slope goes up to left

    two such cannot be parallel

  • Como
    Lv 7
    4 years ago

    NO

    m1 = - 3

    m2 = 3

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