lesson 9-2 pages 441-445 the real number system lesson check 9-1
TRANSCRIPT
![Page 1: Lesson 9-2 Pages 441-445 The Real Number System Lesson Check 9-1](https://reader030.vdocuments.site/reader030/viewer/2022032605/56649e7b5503460f94b7b939/html5/thumbnails/1.jpg)
Lesson 9-2 Pages 441-445
The Real Number System
Lesson Check 9-1
![Page 2: Lesson 9-2 Pages 441-445 The Real Number System Lesson Check 9-1](https://reader030.vdocuments.site/reader030/viewer/2022032605/56649e7b5503460f94b7b939/html5/thumbnails/2.jpg)
What you will learn!1. How to identify and compare numbers in the real number system.
2. How to solve equations by finding square roots.
![Page 3: Lesson 9-2 Pages 441-445 The Real Number System Lesson Check 9-1](https://reader030.vdocuments.site/reader030/viewer/2022032605/56649e7b5503460f94b7b939/html5/thumbnails/3.jpg)
Irrational numbersIrrational numbers
Real numbersReal numbers
![Page 4: Lesson 9-2 Pages 441-445 The Real Number System Lesson Check 9-1](https://reader030.vdocuments.site/reader030/viewer/2022032605/56649e7b5503460f94b7b939/html5/thumbnails/4.jpg)
What you really need to know!
The set of real numbers consists of all natural numbers, whole numbers, integers, rational numbers, and irrational numbers. (Lesson 5-2)
![Page 5: Lesson 9-2 Pages 441-445 The Real Number System Lesson Check 9-1](https://reader030.vdocuments.site/reader030/viewer/2022032605/56649e7b5503460f94b7b939/html5/thumbnails/5.jpg)
Rational numbers can be written as fractions.
Irrational numbers are decimals that do not repeat or terminate.
What you really need to know!
![Page 6: Lesson 9-2 Pages 441-445 The Real Number System Lesson Check 9-1](https://reader030.vdocuments.site/reader030/viewer/2022032605/56649e7b5503460f94b7b939/html5/thumbnails/6.jpg)
Rational Numbers
1.8
0.7
5
24
3
2
-3.222…
Integers
-5 -12
What you really need to know!
Whole Numbers
6 150
Natural Numbers
1, 2, 3 ,...
Irrational Numbers: , 2.01020304...
![Page 7: Lesson 9-2 Pages 441-445 The Real Number System Lesson Check 9-1](https://reader030.vdocuments.site/reader030/viewer/2022032605/56649e7b5503460f94b7b939/html5/thumbnails/7.jpg)
Page 441
![Page 8: Lesson 9-2 Pages 441-445 The Real Number System Lesson Check 9-1](https://reader030.vdocuments.site/reader030/viewer/2022032605/56649e7b5503460f94b7b939/html5/thumbnails/8.jpg)
![Page 9: Lesson 9-2 Pages 441-445 The Real Number System Lesson Check 9-1](https://reader030.vdocuments.site/reader030/viewer/2022032605/56649e7b5503460f94b7b939/html5/thumbnails/9.jpg)
Example 1:
Name all the sets of numbers to which each real number belongs.
17Natural NumberNatural Number
Whole NumberWhole Number
IntegerInteger
Rational NumberRational Number
![Page 10: Lesson 9-2 Pages 441-445 The Real Number System Lesson Check 9-1](https://reader030.vdocuments.site/reader030/viewer/2022032605/56649e7b5503460f94b7b939/html5/thumbnails/10.jpg)
Example 1b:
Name all the sets of numbers to which each real number belongs.
IntegerInteger
Rational NumberRational Number6
72
)12(
![Page 11: Lesson 9-2 Pages 441-445 The Real Number System Lesson Check 9-1](https://reader030.vdocuments.site/reader030/viewer/2022032605/56649e7b5503460f94b7b939/html5/thumbnails/11.jpg)
Example 1c:
Name all the sets of numbers to which each real number belongs.
Natural NumberNatural Number
Whole NumberWhole Number
IntegerInteger
Rational NumberRational Number
225
)15(
![Page 12: Lesson 9-2 Pages 441-445 The Real Number System Lesson Check 9-1](https://reader030.vdocuments.site/reader030/viewer/2022032605/56649e7b5503460f94b7b939/html5/thumbnails/12.jpg)
Example 1d:
Name all the sets of numbers to which each real number belongs.
irrational numberirrational number
52...211102551.7
![Page 13: Lesson 9-2 Pages 441-445 The Real Number System Lesson Check 9-1](https://reader030.vdocuments.site/reader030/viewer/2022032605/56649e7b5503460f94b7b939/html5/thumbnails/13.jpg)
Example 2:
Replace the ? with <, > or = to make a true statement.
8
711 ? 125 <
![Page 14: Lesson 9-2 Pages 441-445 The Real Number System Lesson Check 9-1](https://reader030.vdocuments.site/reader030/viewer/2022032605/56649e7b5503460f94b7b939/html5/thumbnails/14.jpg)
Example 2b:
Order from least to greatest.
36 ,56. ,38 ,4
16
56.4
163836
![Page 15: Lesson 9-2 Pages 441-445 The Real Number System Lesson Check 9-1](https://reader030.vdocuments.site/reader030/viewer/2022032605/56649e7b5503460f94b7b939/html5/thumbnails/15.jpg)
Example 3:
Solve the equation. Round to nearest tenth if necessary.
169w 2 169w 2
13or 13w
![Page 16: Lesson 9-2 Pages 441-445 The Real Number System Lesson Check 9-1](https://reader030.vdocuments.site/reader030/viewer/2022032605/56649e7b5503460f94b7b939/html5/thumbnails/16.jpg)
Example 3:
Solve the equation. Round to nearest tenth if necessary.
50r2 50r2
1.7or 1.7r
![Page 17: Lesson 9-2 Pages 441-445 The Real Number System Lesson Check 9-1](https://reader030.vdocuments.site/reader030/viewer/2022032605/56649e7b5503460f94b7b939/html5/thumbnails/17.jpg)
Page 443
Guided Practice
#’s 3-12
![Page 18: Lesson 9-2 Pages 441-445 The Real Number System Lesson Check 9-1](https://reader030.vdocuments.site/reader030/viewer/2022032605/56649e7b5503460f94b7b939/html5/thumbnails/18.jpg)
![Page 19: Lesson 9-2 Pages 441-445 The Real Number System Lesson Check 9-1](https://reader030.vdocuments.site/reader030/viewer/2022032605/56649e7b5503460f94b7b939/html5/thumbnails/19.jpg)
Pages 441-443 with someone at home and
study examples!
Read:
![Page 20: Lesson 9-2 Pages 441-445 The Real Number System Lesson Check 9-1](https://reader030.vdocuments.site/reader030/viewer/2022032605/56649e7b5503460f94b7b939/html5/thumbnails/20.jpg)
Homework: Pages 444-445
#’s 14-28 even, 34-42 even, 46-60 even, 64, 65, 69-71, 77, 78
Lesson Check 9-2
![Page 21: Lesson 9-2 Pages 441-445 The Real Number System Lesson Check 9-1](https://reader030.vdocuments.site/reader030/viewer/2022032605/56649e7b5503460f94b7b939/html5/thumbnails/21.jpg)
![Page 22: Lesson 9-2 Pages 441-445 The Real Number System Lesson Check 9-1](https://reader030.vdocuments.site/reader030/viewer/2022032605/56649e7b5503460f94b7b939/html5/thumbnails/22.jpg)
![Page 23: Lesson 9-2 Pages 441-445 The Real Number System Lesson Check 9-1](https://reader030.vdocuments.site/reader030/viewer/2022032605/56649e7b5503460f94b7b939/html5/thumbnails/23.jpg)
![Page 24: Lesson 9-2 Pages 441-445 The Real Number System Lesson Check 9-1](https://reader030.vdocuments.site/reader030/viewer/2022032605/56649e7b5503460f94b7b939/html5/thumbnails/24.jpg)
![Page 25: Lesson 9-2 Pages 441-445 The Real Number System Lesson Check 9-1](https://reader030.vdocuments.site/reader030/viewer/2022032605/56649e7b5503460f94b7b939/html5/thumbnails/25.jpg)
Page
745
Lesson 9-2
![Page 26: Lesson 9-2 Pages 441-445 The Real Number System Lesson Check 9-1](https://reader030.vdocuments.site/reader030/viewer/2022032605/56649e7b5503460f94b7b939/html5/thumbnails/26.jpg)
Lesson Check 9-2
![Page 27: Lesson 9-2 Pages 441-445 The Real Number System Lesson Check 9-1](https://reader030.vdocuments.site/reader030/viewer/2022032605/56649e7b5503460f94b7b939/html5/thumbnails/27.jpg)
Page 441
![Page 28: Lesson 9-2 Pages 441-445 The Real Number System Lesson Check 9-1](https://reader030.vdocuments.site/reader030/viewer/2022032605/56649e7b5503460f94b7b939/html5/thumbnails/28.jpg)
Page 441