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Math Help - Whether a line and plane are parallel?

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    Whether a line and plane are parallel?

    Determine whether the line and plane are parallel. Explain your reasoning.

    x = -5 4t, y = 1 t, z = 3 + 2t; x + 2y + 3z 9 = 0
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    Re: Whether a line and plane are parallel?

    Quote Originally Posted by Civy71 View Post
    Determine whether the line and plane are parallel. Explain your reasoning.
    x = -5 4t, y = 1 t, z = 3 + 2t; x + 2y + 3z 9 = 0
    A line is parallel to a plane if and only if the direction vector of the line is perpendicular to the normal vector of the plane.
    Last edited by Plato; February 17th 2013 at 02:40 PM.
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    Re: Whether a line and plane are parallel?

    Thanks Plato you're the best!
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