8-9 simplify square roots.notebook

8­9 simplify square roots.notebook
LT #1c:
December 05, 2012
Perfect square cheat sheet
12 = 1
22 = 4
32 = 9
42 = 16
52 = 25
62 = 36
72 = 49
82 = 64
92 = 81
102 = 100
112 = 121
122 = 144
132 = 169
142 = 196
Simplify: Square roots
CW
√ab = √ a √ b 5 18 =
√
√20 =
√45 =
√90 =
Quotient Property of Radicals
√
√
6
9
√
a
b
a
=√
√b
x2
=
80
=
7
x2
√
300
100
√
=
=
Step 1: _________________________________________
Step 2: _________________________________________
p.8(1,2,3,4,5,6)
P
p.9(all)
Simplify the square root expression.
1) 32 =
√
2) 24 =
√
13
4) =
100
5) ­3 54 =
√
√
unit 5 p.8
I can simplify square root expressions. Product Property of Radicals
3) 25x
√ 2 =
8
6) =
x2
√
8­9 simplify square roots.notebook
P
LT #1c: ­ Simplify Square Roots expressions
December 05, 2012
unit 5 p.9
8­9 simplify square roots.notebook
IF
√18 December 05, 2012
Checking: p. 7
Estimate the square root.
√21 √23
√28 √30 √33
8­9 simplify square roots.notebook
December 05, 2012
IF
What is the area What is the side length of the square? of the square?
16 cm2
3 cm
3 cm
List 3 rational #'s.
Checking: p. 7
List 3 irrational #'s.
8­9 simplify square roots.notebook
Practice
December 05, 2012
unit 5 p.7
7) B 8) C
RWONQ­EVGIA­PDHLC­FJMUT­RXBS
8­9 simplify square roots.notebook
December 05, 2012
Practice
unit 5 p.7
Identify each number as rational or irrational.
8) C
8­9 simplify square roots.notebook
1­4
December 05, 2012
Spaeth
8­9
5­7
3­4
Spaeth
9
Spaeth
7
Spaeth
8­9 simplify square roots.notebook
LT #1c:
December 05, 2012
unit 5 p.8
I can simplify square root expressions. Product Property of Radicals
Perfect square cheat sheet
12 = 1
22 = 4
32 = 9
42 = 16
52 = 25
62 = 36
72 = 49
82 = 64
92 = 81
102 = 100
112 = 121
122 = 144
132 = 169
142 = 196
√ab = √ a √ b √20 =
5 18 =
√
√90 =
√45 =
Quotient Property of Radicals
√
√
6
9
7
x2
√
a
b
a
√
=√
b
x2
=
80
√
=
300
100
√
=
=
Find biggest perfect square factor
Step 1: _________________________________________
Simplify: Square roots Step 2: _________________________________________
Simplify
CW
p.8(1,2,3,4,5,6)
P
p.9(all)
Simplify the square root expression.
1) 32 =
√
2) 24 =
√
13
4) =
100
5) ­3 54 =
√
√
3) 25x
√ 2 =
8
6) =
x2
√
8­9 simplify square roots.notebook
December 05, 2012
CW p.8 (1,2,3,4,5,6)
Practice p.9(all)
SHOW WORK!
1. Complete CW problems
2. Check answers here.
1­3
3. Raise hand (Spaeth )­purple sheet
4. Begin Practice
4­6
8­9 simplify square roots.notebook
December 05, 2012
Practice She always talked about capsizes
8­9 simplify square roots.notebook
December 05, 2012