Posted by **brooke** on Sunday, November 25, 2007 at 5:48pm.

What is the smallest value of x for which the radical expression (radical sign)2x-10 is a real number

- algebra 2 -
**Quidditch**, Sunday, November 25, 2007 at 7:16pm
Usually, the radical sign defaults to mean the squres root. So, the question is for what values of x is the square root of (2x-10) a real number. The square root is real for all non-negative values. So, for what values of x will (2x-10) be non-negative? What is the smallest value?

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