Results 1 to 4 of 4

Math Help - What is this question asking?

  1. #1
    Member
    Joined
    Nov 2009
    Posts
    171

    What is this question asking?



    I'm confused as to what this question is even asking. How would I start it? :S
    Follow Math Help Forum on Facebook and Google+

  2. #2
    MHF Contributor

    Joined
    Aug 2006
    Posts
    18,394
    Thanks
    1478
    Awards
    1

    Re: What is this question asking?

    Quote Originally Posted by kmjt View Post

    I'm confused as to what this question is even asking. How would I start it? :S
    Solve this system:
    \begin{array}{*{20}c}   {x + y = 6} & {x = 3x - y}  \\   {2x - y = 0} & {z^2  = 9}  \\ \end{array}
    Follow Math Help Forum on Facebook and Google+

  3. #3
    MHF Contributor

    Joined
    Mar 2011
    From
    Tejas
    Posts
    3,150
    Thanks
    591

    Re: What is this question asking?

    hint #2: in Plato's system above, put all the variables on one side of the equations, and you should be able to write down an augmented matrix rather easily.
    Follow Math Help Forum on Facebook and Google+

  4. #4
    MHF Contributor

    Joined
    Apr 2005
    Posts
    14,974
    Thanks
    1121

    Re: What is this question asking?

    One of the first things you should have learned about matrices is when two matrices are equal. \begin{bmatrix}a & b \\ c & d\end{bmatrix} = \begin{bmatrix}p & q\\ r & s\end{bmatrix} if and only if each of the cooresponding entries are equal. That is, a= p, b= q, c= r, and d= s.
    Follow Math Help Forum on Facebook and Google+

Search Tags


/mathhelpforum @mathhelpforum