Monday, April 16, 2007
posted by tam at 10:45 AM
Adding and subtracting radical expressions works like adding and subtracting expressions involving variables. Just as we need like terms when combining expressions involving variables we need like radicals in order to combine radical expressions.

4x + 3x = 7x
5x + 4y = 5x + 4y

Have like terms


















Step 1 : simplify each term
Step 2 : combine like terms




































Home work : Ex # 34 ( omit # 10 , 16 , 18 )