1. simplify radical expressions involving addition and subtraction.
I can
simplify radical expressions involving addition and subtraction.

2. Which are like radicals?
1. Simplify.
Just like when adding variables, you can only combine LIKE radicals.
2. Simplify.
Which are like radicals?

3. Simplify .

4. Perimeter = Add all of the sides
3. Find the perimeter of a rectangle whose length is and whose width is
Perimeter = Add all of the sides

5. 4. Simplify.
Simplify each radical.
Combine like radicals.

6. 5. Simplify

7. Simplify .

8. Simplify .