If X(-2,3) and Y(a,-1) are 6 units apart, find the value of a.
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Originally Posted by positiveion 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: $\displaystyle \sqrt{(-2 - a)^2 + (3 - [-1])^2} = 6$. Simplify and then solve for $\displaystyle a$.
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