Page 130 - Math Course 1 (Book 1)

Multiplying and Dividing Monomials

Mo. 4

Lesson 2
Multiply Monomials

Examples
KEY CONCEPTS:
1. Multiple monomials. Find y 4 • y.
2. Divide monomials.
y 4 • y = y 4 + 1 The common base is y.

MO. 4 - L2a = y 5 Add the exponents.

Multiplying Monomials
Answer y5

Key Concept
3
Find (3p4)(–2p ).

3
3
(3p4)(–2p ) = (3 • –2)(p4 • p ) Group the
Product of Powers coef cients
and variables.
Words Multiply powers with the same base by = (–6)(p 4+3 )
adding their exponents. The common base
is p.
m+n
m
n
Symbols a • a = a
= –6p7
Add the
Example 3² • 34 = 3 2+4 or 36 exponents.
–6p7
Answer

Let’s Begin

Your Turn!

Multiply Powers
Multiply Powers

Example Find 4 • 4 .
3
5
A. 4 2
Find 34 • 36. 8
B. 4
+
34 • 36 = 34 6 The common base is 3. C. 4 15
2
D. 4 -
= 3¹0 Add the exponents.
Answer

3¹0
Answer

122