Page 131 - Math Course 1 (Book 1)
P. 131
Multiplying and Dividing Monomials
Multiply Monomials
2
3
2
Find the product of w • w 5 Find the product of (–4m )(6m ).
A. w 3 A. 2m 5
B. w 7 5
C. w 10 B. –24m 6
D. w – 3 C. –24m
D. 2m 6
Answer
MO. 4 - L2b Key Concept
Dividing Monomials Quotient of Powers
Words Divide powers with the same base by
subtracting their exponents.
Symbols a m = a m - n , where a = 0
Let’s Begin a n
4 5 5 - 2 3
Example 2 = 4 or 4
4
Divide Powers
Example
8 11
Find x 12
8 5 Find
x
8 11 = 8 11 - 5 The common base is 8. x 12 = x 12 - 1 The common base is x.
8 5 x
= 8 6 Subtract the exponents. = x 12 - 1 Subtract the exponents.
Answer 86 Answer x¹¹
123
