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Math Help - distance Between Two Points

  1. #1
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    Using the distance formula for two points, find the distance between the points below.

    A(sqrt{2x}, -1/3), B(cuberoot{x^3}, (1/2)^2)


    Using the distance formula for two points, find the distance between the points below.

    A(pi, -pi), B(e, -e)
    Last edited by mr fantastic; February 23rd 2009 at 06:39 PM. Reason: Merged threads. Exactly the same technique required for each question
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  2. #2
    MHF Contributor Reckoner's Avatar
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    Quote Originally Posted by magentarita View Post
    Using the distance formula for two points, find the distance between the points below.

    A(sqrt{2x}, -1/3), B(cuberoot{x^3}, (1/2)^2)


    Using the distance formula for two points, find the distance between the points below.

    A(pi, -pi), B(e, -e)
    The distance between two points in the plane, (x_0,y_0) and (x_1,y_1), is

    d=\sqrt{(x_1-x_0)^2+(y_1-y_0)^2}\text.

    Just substitute the given coordinates into the formula. Do you need help in simplifying the results?
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  3. #3
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    ok....

    Quote Originally Posted by Reckoner View Post
    The distance between two points in the plane, (x_0,y_0) and (x_1,y_1), is

    d=\sqrt{(x_1-x_0)^2+(y_1-y_0)^2}\text.

    Just substitute the given coordinates into the formula. Do you need help in simplifying the results?
    I guess I can place just about anything in the radicand, right?
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  4. #4
    MHF Contributor Reckoner's Avatar
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    Quote Originally Posted by magentarita View Post
    I guess I can place just about anything in the radicand, right?
    I am not sure what you are asking. The distance formula will work for any two points in the plane (and can be easily extended to 3 or more dimensions), if that is what you mean. Otherwise you will have to clarify.
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