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Math Help - equations meet?

  1. #1
    Newbie
    Joined
    Feb 2010
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    8

    equations meet?

    Can anyone help me with this?

    Where do the following equations meet. (solve graphically and mathematically)

    Y=2x-6
    Y=x-3
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  2. #2
    Junior Member
    Joined
    Feb 2010
    Posts
    38
     <br />
y=2x^2-6<br />
     <br />
y=x-3<br />

     <br />
2x^2-6=x-3<br />

     <br />
2x^2-x-3=0<br />

     <br />
(2x-3)(x+1)=0<br />

    x=-1 or x=1.5

    so they meet at -1 and 1.5. you can see this on a graph when the two graphs cross each other
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