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Week 2 Concept Check

# Week 2 Concept Check - x^2 and 4 are perfect squares as x^2...

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Week 2 Concept Check A polynomial is the difference of two squares when it contains two terms separated by a minus sign. Each of these terms should be perfect squares meaning the square root of the term is a whole number. For example, x^2 - 4 is the difference of two squares. Both
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Unformatted text preview: x^2 and 4 are perfect squares, as x^2 = x*x, and 4 = 2*2. However, in more complicated problems the squares are not always perfect squares and the square root maybe an irrational number....
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