can you solve ths math problem?

Test Preparation SAT Preparation
1

<p>If 0 < (or equal to) x < (or equal to) y and (x+y)^2 - (x-y)^2 > (or equal to) 25,what is the LEAST possible value of y?</p>

<p>The answer is 2.5,but how do you get the answer?</p>

2

<p>Expand the expression to get 4xy >= 25; xy >= 25/4;
Since x is <= y, the least value of y = x = 5/2.</p>

3

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