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Math Help - coordinate geometry

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    coordinate geometry

    If X(-2,3) and Y(a,-1) are 6 units apart, find the value of a.
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    Quote Originally Posted by positiveion View Post
    If X(-2,3) and Y(a,-1) are 6 units apart, find the value of a.
    Substitute into the formula for the distance between two points: \sqrt{(-2 - a)^2 + (3 - [-1])^2} = 6.

    Simplify and then solve for a.
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