Results 1 to 3 of 3

Thread: Absolute Value 2

  1. #1
    Super Member harpazo's Avatar
    Joined
    Sep 2014
    From
    NYC
    Posts
    995
    Thanks
    42

    Absolute Value 2

    Why does |a + b| not equal to |a| + |b|?
    Follow Math Help Forum on Facebook and Google+

  2. #2
    MHF Contributor

    Joined
    Aug 2006
    Posts
    22,377
    Thanks
    3271
    Awards
    1

    Re: Absolute Value 2

    Quote Originally Posted by harpazo View Post
    Why does |a + b| not equal to |a| + |b|?
    Let $a=-5~\&~b=4$, now answer your own question,
    Follow Math Help Forum on Facebook and Google+

  3. #3
    Super Member harpazo's Avatar
    Joined
    Sep 2014
    From
    NYC
    Posts
    995
    Thanks
    42

    Re: Absolute Value 2

    | a + b|

    |-5 + 4|

    |-1| = 1

    |-5| + |4|

    5 + 4 = 9

    1 DOES NOT EQUAL 9.

    Two very different expressions.
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Replies: 4
    Last Post: Jul 25th 2014, 05:12 PM
  2. Replies: 0
    Last Post: May 10th 2012, 11:49 AM
  3. Replies: 8
    Last Post: May 23rd 2010, 10:59 PM
  4. Replies: 2
    Last Post: Nov 8th 2009, 01:52 PM
  5. Find the absolute maximum and absolute minimum
    Posted in the Calculus Forum
    Replies: 5
    Last Post: Dec 12th 2008, 09:46 AM

/mathhelpforum @mathhelpforum