Mathematics

9th -

11thgrade

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Distance Formula

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  • 1. Multiple Choice
    2 minutes
    1 pt

    How is the distance formula correctly written:

    d = (y1 y2)2 (x2 x1)2 d\ =\ \sqrt{\left(y_{1\ }-\ y_2\right)^2\ -\left(x_{2\ }-\ x_1\right)^2}\

    d = (x2 x1)2 + (y2 y1 )2d\ =\ \sqrt{\left(x_{2\ }-\ x_1\right)^2\ +\ \left(y_{2_{\ }}-\ y_1\ \right)2}

    d = (y1 y 2)2 + (x2 x1)2d\ =\ \sqrt{\left(y_{1\ }-\ y\ _2\right)^2\ +\ \left(x_{2\ }-\ x_1\right)}^2

    d = (x)2 (y)2\sqrt{\left(x\right)^2-\ \left(y\right)^2}

  • 2. Multiple Choice
    2 minutes
    1 pt

    A(3,1) B(-2,-1) written correctly is:

    (23)2 + (11)2\sqrt{\left(-2-3\right)^2\ +\ \left(-1-1\right)^2}

    (13)2 + (12)2\sqrt{\left(1-3\right)^2\ +\ \left(-1-2\right)^2}

    (23)2 (11)2\sqrt{\left(-2-3\right)^2\ -\ \left(-1-1\right)^2}

    (23)2 (11)2\sqrt{\left(-2-3\right)^2\ -\ \left(-1-1\right)^2}

  • 3. Multiple Choice
    2 minutes
    1 pt

    A(2,0) B(-2,4) is written as

    d = (42)2 (02)2d\ =\ \sqrt{\left(4-2\right)^2\ -\ \left(0-2\right)^2}

    d = (40)2 (22)2d\ =\ \sqrt{\left(4-0\right)^2\ -\ \left(-2-2\right)^2}

    d = (2 +0)2 + (4+2)2d\ =\ \sqrt{\left(-2\ +0\right)^2\ +\ \left(4+2\right)^2}

    d = (22)2 + (40)2d\ =\ \sqrt{\left(-2-2\right)^2\ +\ \left(4-0\right)^2}

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