For which value of a are the graphs of –4 = 3x + 6y and ax – 8y = 12 parallel? a = –4 a = a = a = 2

Question

For which value of a are the graphs of –4 = 3x + 6y and ax – 8y = 12 parallel? a = –4 a = a = a = 2

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    0
    2021-11-25T20:08:25+00:00

    Answer:

    a= -4

    Step-by-step explanation:

    right on edge 2020

    0
    2021-11-25T20:09:09+00:00

    -4 = 3x + 6y
    6y = -3x – 4
    y = -1/2x – 2/3…..slope here is -1/2. A parallel line will have the same slope

    ax – 8y = 12
    -8y = -ax + 12
    y = (-a/-8)x + 12……so a would have to be -4 because -(-4) / -8 = -4/8 = -1/2

    ur answer is : a = -4

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