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The coordinates of A are (6, -2) I have managed to do every other question in this section but this one, my brother tried to help but just drew a graph and the answers without explaining it, i dont understand the technique behind it? thanks for your help

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    Are you familiar with the distance formula?2012-09-18
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    square root around (y1-y2)squared + (x1-x2)squared..? then yes but you end up with a k squared minus a k2012-09-18

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