algebra

we are using the distance formula right now and i asked my teacher for help on an equation and this quation had a fraction in it and i don't understand how she got her answer. the question that i need help on is: d= the square root of (4-6)^2+(-2/3-2)^2.

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  1. First, combine terms within the parentheses.

    (-2)^2 + (-2 2/3)^2 = (-2)^2 + (-8/3)^2

    Multiply each term by itself. (Remember that a negative times a negative is always a positive.)

    Add the two terms and find the square root of that sum to get d.

    I hope this helps. Thanks for asking.

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    posted by PsyDAG

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