1. L7-2 Obj: The students will multiply and divide radical expressions
Multiplying and Dividing Radical Expressions
L7-2 Obj: The students will multiply and divide radical expressions
Multiply. Simplify if possible.
a. 3 • 12
b. –16 • 4 3 3
c. –4 • 16

2. Simplify each expression. Assume all variables are positive.
Multiplying and Dividing Radical Expressions
LESSON 7-2
Additional Examples
Simplify each expression. Assume all variables are positive.
a. 50x5 3
b. 54n8

3. Multiply and simplify . Assume all variables are positive. 3
Multiplying and Dividing Radical Expressions
LESSON 7-2
Additional Examples
Multiply and simplify . Assume all variables are positive. 3
25xy8 • 5x4y3 3

4. Divide and simplify. Assume all variables are positive.
Multiplying and Dividing Radical Expressions
LESSON 7-2
Additional Examples
Divide and simplify. Assume all variables are positive. a. 3
–81 = b. 3x 3
192x8 =

5. Multiplying and Dividing Radical Expressions
LESSON 7-2
Additional Examples
Rationalize the denominator of each expression. Assume that all variables are positive. a. 5 3

6. Multiplying and Dividing Radical Expressions
LESSON 7-2
Additional Examples
(continued) b. x5
3x2y c. 3 5 4y

7. Multiplying and Dividing Radical Expressions
LESSON 7-2
Additional Examples
The distance d in meters that an object will fall in t seconds is given by d = 4.9t 2. Express t in terms of d and rationalize the denominator.
d = 4.9t 2

12. L7-2 (p 383) #1-33 by 4’s e