AddingSubtractingMultiplying and Dividing Radicals

1
Adding/Subtracting/Multiplying and Dividing
Radicals

• 7.4/7.5
• SSC 105

2
Remember these rules

• You can multiply and divide with radicals only if
  the index (or root) is the same!!

3
Add Subtract Radicals

• You can add/subtract radical terms ONLY if both
  the index and the radicand are the SAME.
  Expressions such as

OR
cannot be combined!!!
4
Practice
5
Practice
6
Practice
7
Practice
ANSWERS A) B) C) D)
8
Multiplying conjugates more!
MULTIPLY

• ANSWERS
• -1
• b)

9
Multiplyin radicals w/ different indices