Results 1 to 3 of 3

Math Help - perfect square trinomial/square of binomial

  1. #1
    Newbie
    Joined
    Mar 2011
    Posts
    2

    perfect square trinomial/square of binomial

    Directions: Find the value of C that makes the expression a perfect square trinomial. Then write the expression as the square of a binomial.

    Problem: x + 6x + c
    Follow Math Help Forum on Facebook and Google+

  2. #2
    Forum Admin topsquark's Avatar
    Joined
    Jan 2006
    From
    Wellsville, NY
    Posts
    9,962
    Thanks
    349
    Awards
    1
    Quote Originally Posted by Narga115 View Post
    Directions: Find the value of C that makes the expression a perfect square trinomial. Then write the expression as the square of a binomial.

    Problem: x + 6x + c
    A perfect square trinomial will always be in the following form: (a + b) = a^2 + 2ab + b^2

    For your problem a is clearly equal to x. The linear term is then 6x = 2ab = 2(x)b. Thus we may identify 2b = 6. That makes b = 3. Can you finish this?

    -Dan
    Follow Math Help Forum on Facebook and Google+

  3. #3
    Newbie
    Joined
    Mar 2011
    Posts
    2
    Yes. Thank you for your help.
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Replies: 1
    Last Post: July 21st 2010, 02:24 PM
  2. Replies: 5
    Last Post: November 6th 2009, 05:08 PM
  3. Replies: 1
    Last Post: September 13th 2009, 11:24 AM
  4. Perfect Square Trinomial
    Posted in the Algebra Forum
    Replies: 5
    Last Post: September 30th 2008, 04:40 AM
  5. Replies: 5
    Last Post: March 22nd 2008, 05:28 PM

Search Tags


/mathhelpforum @mathhelpforum