Results 1 to 3 of 3

Thread: straight line

  1. September 6th 2009, 05:07 AM #1
    NicoleS909
    NicoleS909 is offline
    Newbie
    Joined
    Jan 2009
    Posts
    3

    Smile straight line

    A (-4,5) B(-2-2) C(4,-1)

    find the equation of the median from c!

    i need help! PLZ REPLY!!!

    can u tell me if the answer 14y+x=18 is correct??
    Last edited by NicoleS909; September 6th 2009 at 05:23 AM.
    Follow Math Help Forum on Facebook and Google+
  2. September 6th 2009, 06:48 AM #2
    red_dog
    red_dog is offline
    MHF Contributor red_dog's Avatar
    Joined
    Jun 2007
    From
    Medgidia, Romania
    Posts
    1,241
    The midpoint of AB is M\left(-3,\frac{3}{2}\right).

    The equation of CM:

    \frac{x-4}{-3-4}=\frac{y+1}{\frac{3}{2}+1}\Rightarrow 5x+14y-6=0
    Follow Math Help Forum on Facebook and Google+
  3. September 6th 2009, 07:29 AM #3
    HallsofIvy
    HallsofIvy is online now
    MHF Contributor
    Joined
    Apr 2005
    Posts
    13,713
    Thanks
    540
    Quote Originally Posted by NicoleS909 View Post
    A (-4,5) B(-2-2) C(4,-1)

    find the equation of the median from c!

    i need help! PLZ REPLY!!!

    can u tell me if the answer 14y+x=18 is correct??
    If x= 4, y=-1, that is 14(-1)+ 4= -14+ 4= 10, not 18 so it does not even contain C.
    Follow Math Help Forum on Facebook and Google+
« Revision Questions | Partial fraction »

Similar Math Help Forum Discussions

  1. [SOLVED] Line Integral along a straight line.
    Posted in the Calculus Forum
    Replies: 1
    Last Post: April 11th 2011, 07:18 PM
  2. straight line
    Posted in the Pre-Calculus Forum
    Replies: 4
    Last Post: November 30th 2009, 12:58 PM
  3. Straight Line in 3d
    Posted in the Calculus Forum
    Replies: 0
    Last Post: October 8th 2009, 01:36 PM
  4. straight line help!!!
    Posted in the Algebra Forum
    Replies: 1
    Last Post: October 20th 2008, 08:53 AM
  5. The Straight Line
    Posted in the Pre-Calculus Forum
    Replies: 4
    Last Post: August 31st 2008, 10:19 AM

Search Tags


/mathhelpforum @mathhelpforum