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Math Help - Convert Vector equation into 2-point form equation

  1. #1
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    Convert Vector equation into 2-point form equation

    Hi
    I have problem solving (converting) vector equation into 2 point form.
    I have found parametric equations but cant seem to get 2 point form.
    x(t)= (1,0,-1)+t(3,1,-2)
    my parametric form is....
    x=1+3t....y=t......z=-1-2t

    Can anyone give me some suggestions on how to get 2 point form. I dont need solution. Maybe someone can point me to some examples online.
    Examples i have found use calculus to solve this but I cant use that.

    Thank you
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  2. #2
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    Quote Originally Posted by joker40 View Post
    Hi
    I have problem solving (converting) vector equation into 2 point form.
    I have found parametric equations but cant seem to get 2 point form.
    x(t)= (1,0,-1)+t(3,1,-2)
    my parametric form is....
    x=1+3t....y=t......z=-1-2t

    Can anyone give me some suggestions on how to get 2 point form. I dont need solution. Maybe someone can point me to some examples online.
    Examples i have found use calculus to solve this but I cant use that.

    Thank you
    What is two point form?
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  3. #3
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    May 2010
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    it is....

    I solved it...The form is actually (1-t)(p1,p2)+t(u1,u2)...

    where t is scalar and p and u are points in 2d space...
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