Unit 2, Day 5: Objective: Addition and subtraction of radicals

 Definition: When adding or subtracting radicals, you must use the same concept as that of adding or subtracting "like" variables. 

adding:
 


subtracting:







Quiz: ( /= the radical sign )              
     1) add 5/3+2/75
     2) 5/8-3/18+/3 
     3) 2/12 +/27



Key:
     1) 15/3
     2) /2+/3
     3) 7/3

make sure to watch this video: http://www.youtube.com/watch?v=MKwxPbITcXQ