(Lots of stuff here; I'm very busy so it would be ever so kind if someone could answer these for me!) What is the difference between a rational number and an irrational number? How do you simplify a radical that contains a perfect square factor? How do you simplify a radical that requires you to multiply first? How do you write a rational exponent as a radical? How do you write a radical as a rational exponent? How do you simplify a radical that contains fractions? How do you rationalize the denominator? Why is the sum or product of two rational numbers rational? Why is the sum of a rational number and an irrational number irrational?
Check this out: http://lmgtfy.com/?q=What+is+the+difference+between+a+rational+number+and+an+irrational+number%3F
...Cute.
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