Results 1 to 2 of 2

Math Help - Binomial Radical Expressions

  1. #1
    Newbie
    Joined
    May 2012
    From
    NC
    Posts
    9

    Binomial Radical Expressions

    A hiker drops a rock from the rim of the Grand Canyon. The distance it falls d in feet after t seconds is given by the function d=16t^2. How far has the rock fallen after (3 + sq rt(2) )seconds? Please show steps!
    Follow Math Help Forum on Facebook and Google+

  2. #2
    MHF Contributor
    skeeter's Avatar
    Joined
    Jun 2008
    From
    North Texas
    Posts
    11,698
    Thanks
    454

    Re: Binomial Radical Expressions

    Quote Originally Posted by Courtx33333 View Post
    A hiker drops a rock from the rim of the Grand Canyon. The distance it falls d in feet after t seconds is given by the function d=16t^2. How far has the rock fallen after (3 + sq rt(2) )seconds? Please show steps!
    squaring a binomial involves the following pattern ...

    (a+b)^2 = a^2 + 2ab + b^2

    so let a = 3 and b = \sqrt{2}
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Dividing radical expressions
    Posted in the Algebra Forum
    Replies: 1
    Last Post: July 17th 2010, 03:01 AM
  2. Radical Expressions
    Posted in the Algebra Forum
    Replies: 3
    Last Post: September 17th 2009, 08:42 AM
  3. Rational Expressions and Radical Expressions
    Posted in the Algebra Forum
    Replies: 16
    Last Post: July 9th 2009, 09:29 PM
  4. Simplify Radical Expressions
    Posted in the Algebra Forum
    Replies: 2
    Last Post: October 9th 2008, 11:49 AM
  5. radical expressions
    Posted in the Algebra Forum
    Replies: 1
    Last Post: August 24th 2007, 05:27 PM

Search Tags


/mathhelpforum @mathhelpforum