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The length of the segment between the points \((2a, a-4)\) and \((4, -1)\) is \(2\sqrt10\) units. What is the product of all possible values for \(a\)?

 Jun 2, 2020
 #1
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The possible values of a are 3 and -5, and their product is -15.

 Jun 2, 2020

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