Simplify – No negative exponents

Binomial Radical Expressions I can add and subtract radical expressions

Like Radicals  Have the same index and the same radicand.  Examples Can’t be done!

Adding and Subtracting Radical Expressions  To add and subtract like radicals, use the Distributive Property.  Examples Can’t be added, not like radicands

Simplifying Before Adding or Subtracting *Simplify the radical, then add or subtract

RADICAL EXPRESSIONS EX-adding RULES –Have to have same number on inside –Have to have same nth root

Multiplying Binomial Radical Expressions  Use FOIL to multiply First Outer Inner Last

II. Multiplying and Dividing Radicals  When multiplying radicals, use the FOIL method, then simplify For Example; (2 + 2√5)(4 + 6√5) √5 + 8√5 + 12√ √5 + 12(5) √ √5

Try this… a. b. c. 9 d. 3

Conjugates  Expressions such as and that differ in only the sign of the second term.

Assignment  P. 378 #12-36 by 3’s and by 3’s  Challenge - #66