Quiz Chapter 11 review. 11-1 Simplifying radicals. Do a factor tree and look for pairs. The pair comes out as one couple, and the lone wolf stays in the house (the radical). Simplifying radicals involving multiplication
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Multiply the numbers under the radical signs then simplify the radicals.
If you have a radical symbol in the denominator you MUST rationalize the denominator before you proceed with the fraction. Which means you have to multiply the fraction by some form of one (use the denominator over itself)
You may use FOIL if you are given two binomials that contain radicals. Remember that if you are multiplying two radicals that have the same number under the radical sign then the number is the answer. You cannot multiply a number under a radical with a number without a radical sign.