If A=(-1,-3) and B=(11,-8), what is the length of line ab?

Question

If A=(-1,-3) and B=(11,-8), what is the length of line ab?

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Acacia 3 years 2021-07-22T15:45:46+00:00 2 Answers 21 views 0

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  1. Nem
    0
    2021-07-22T15:46:51+00:00
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    Answer:

    d=13

    Step-by-step explanation:

    the steps are in the pics below

  2. kimcuc
    0
    2021-07-22T15:47:01+00:00
    Reply

    Hi!

    A=(-1,-3) \ and \ B=(11,-8)\\\\|AB|=\sqrt{(11-(-1))^2+(-8-(-3))^2}\\\\|AB|=\sqrt{(11+1)^2+(-8+3)^2}\\\\|AB|=\sqrt{12^2+(-5)^2}\\\\|AB|=\sqrt{144+25}\\\\|AB|=\sqrt{169}\longrightarrow\boxed{|AB|=13}

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