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23 September, 12:13

Are the graphs of the lines in the pair parallel? Explain.

y = 4x - 4

24x - 4y = 96

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Answers (2)
  1. 23 September, 13:48
    0
    No

    The math to prove it:

    24x-4 (4x-4) = 96

    24x-16x+16=96

    8x+16=96

    -16

    8x=80

    x=10

    y=4 (10) - 4

    y=36

    24 (10) - 4 (36)

    240-144

    96

    36 does not equal 96

    Also the slopes are different
  2. 23 September, 15:51
    0
    Paralell ines have same slope

    in form

    y=mx+b

    m=slope

    in form

    ax+by=c

    slope=-a/b

    so

    y=4x-4

    slope=4

    24x-4y=96

    slope=-24/-4=6

    6≠4

    not paralell since slopes not the same
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