Page 77 - Math Course 2 (Book 1)

Monomial Expressions: Division

Zero Exponent Power of a Quotient

3
3m n
3 2
Examples Simplify 4p q
5
3m n
9 6
A. 15 3
0 4p q
8
7
12m n
Simplify . Assume that m and n are 27m n
9 6
5
8m n 10 B. 15 3
not equal to zero. 64p q
27m n
6 3
C.
8 4
0 64p q
7
8
12m n 0 6 5
8m n 10 = 1 a = 1 D. 6m n
5
15
7p q
Answer 1 Answer
0
3
m n
Simplify . Assume that m and n are
n 2
not equal to zero.
m n = (1)n a = 1
0
3
3
0
n 2 n 2
Zero Exponent
3
n Simplify.
= 0
n 2 3x y
9
2
Simplify . Assume that z is not equal
5z 12
Answer n Quotient of Powers to zero.
A. 3
5
Your Turn! B. 1
Quotient of Powers C. 0
a b D. –1
3 9
Simplify . Assume that a and b are equal to
ab 2
zero. Answer
4 11
A. a b
b 7
B.
0
5
a 2 x k
9 Simplify . Assume that x and k are
3
k
3
C. a b 2
not equal to zero.
D. a b 7 A. xk
2
2
Answer B. k 2
x
C. (xk) 2
D. k 2
Answer

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