unit 6 lesson 1 an inequality is like an equation, but instead of an equal sign (=) it has one of...
TRANSCRIPT
![Page 1: Unit 6 Lesson 1 An inequality is like an equation, but instead of an equal sign (=) it has one of these signs: < : less than ≤ : less than or equal to](https://reader036.vdocument.in/reader036/viewer/2022062304/56649e9e5503460f94b9fbff/html5/thumbnails/1.jpg)
Unit 6Lesson 1
![Page 2: Unit 6 Lesson 1 An inequality is like an equation, but instead of an equal sign (=) it has one of these signs: < : less than ≤ : less than or equal to](https://reader036.vdocument.in/reader036/viewer/2022062304/56649e9e5503460f94b9fbff/html5/thumbnails/2.jpg)
An inequality is like an equation, but instead of an equal sign (=) it
has one of these signs:
< : less than≤ : less than or equal to
> : greater than≥ : greater than or equal to
teachers.henrico.k12.va.us/math/int10405/29lessons/29les7/solve_ineq_addNT1.ppt
![Page 3: Unit 6 Lesson 1 An inequality is like an equation, but instead of an equal sign (=) it has one of these signs: < : less than ≤ : less than or equal to](https://reader036.vdocument.in/reader036/viewer/2022062304/56649e9e5503460f94b9fbff/html5/thumbnails/3.jpg)
To draw a number line, first draw a line with an arrow on each end.
http://www.etap.org/demo/Algebra1/lesson2/instruction1tutor.html
![Page 4: Unit 6 Lesson 1 An inequality is like an equation, but instead of an equal sign (=) it has one of these signs: < : less than ≤ : less than or equal to](https://reader036.vdocument.in/reader036/viewer/2022062304/56649e9e5503460f94b9fbff/html5/thumbnails/4.jpg)
Positive numbers increase to the right. Negative numbers “increase” to the left.
http://www.etap.org/demo/Algebra1/lesson2/instruction1tutor.html
![Page 5: Unit 6 Lesson 1 An inequality is like an equation, but instead of an equal sign (=) it has one of these signs: < : less than ≤ : less than or equal to](https://reader036.vdocument.in/reader036/viewer/2022062304/56649e9e5503460f94b9fbff/html5/thumbnails/5.jpg)
< >
![Page 6: Unit 6 Lesson 1 An inequality is like an equation, but instead of an equal sign (=) it has one of these signs: < : less than ≤ : less than or equal to](https://reader036.vdocument.in/reader036/viewer/2022062304/56649e9e5503460f94b9fbff/html5/thumbnails/6.jpg)
http://www-grms.stjohns.k12.fl.us/teams/Wakulla/032E7289-0118C716.12/Microsoft%20PowerPoint%20-%20Inequalities%20on%20a%20numberline%20b.pdf
![Page 7: Unit 6 Lesson 1 An inequality is like an equation, but instead of an equal sign (=) it has one of these signs: < : less than ≤ : less than or equal to](https://reader036.vdocument.in/reader036/viewer/2022062304/56649e9e5503460f94b9fbff/html5/thumbnails/7.jpg)
http://www-grms.stjohns.k12.fl.us/teams/Wakulla/032E7289-0118C716.12/Microsoft%20PowerPoint%20-%20Inequalities%20on%20a%20numberline%20b.pdf
![Page 8: Unit 6 Lesson 1 An inequality is like an equation, but instead of an equal sign (=) it has one of these signs: < : less than ≤ : less than or equal to](https://reader036.vdocument.in/reader036/viewer/2022062304/56649e9e5503460f94b9fbff/html5/thumbnails/8.jpg)
http://www-grms.stjohns.k12.fl.us/teams/Wakulla/032E7289-0118C716.12/Microsoft%20PowerPoint%20-%20Inequalities%20on%20a%20numberline%20b.pdf
![Page 9: Unit 6 Lesson 1 An inequality is like an equation, but instead of an equal sign (=) it has one of these signs: < : less than ≤ : less than or equal to](https://reader036.vdocument.in/reader036/viewer/2022062304/56649e9e5503460f94b9fbff/html5/thumbnails/9.jpg)
http://www-grms.stjohns.k12.fl.us/teams/Wakulla/032E7289-0118C716.12/Microsoft%20PowerPoint%20-%20Inequalities%20on%20a%20numberline%20b.pdf
![Page 10: Unit 6 Lesson 1 An inequality is like an equation, but instead of an equal sign (=) it has one of these signs: < : less than ≤ : less than or equal to](https://reader036.vdocument.in/reader036/viewer/2022062304/56649e9e5503460f94b9fbff/html5/thumbnails/10.jpg)
http://www-grms.stjohns.k12.fl.us/teams/Wakulla/032E7289-0118C716.12/Microsoft%20PowerPoint%20-%20Inequalities%20on%20a%20numberline%20b.pdf
![Page 11: Unit 6 Lesson 1 An inequality is like an equation, but instead of an equal sign (=) it has one of these signs: < : less than ≤ : less than or equal to](https://reader036.vdocument.in/reader036/viewer/2022062304/56649e9e5503460f94b9fbff/html5/thumbnails/11.jpg)
1. Draw a number line.2. Put a circle on the correct number on the
number line.◦ Open circles for < and >◦ Closed circles for ≤ and ≥
3. Draw an arrow in the correct direction on the number line.
![Page 12: Unit 6 Lesson 1 An inequality is like an equation, but instead of an equal sign (=) it has one of these signs: < : less than ≤ : less than or equal to](https://reader036.vdocument.in/reader036/viewer/2022062304/56649e9e5503460f94b9fbff/html5/thumbnails/12.jpg)
http://www.nsa.gov/academia/_files/collected_learning/middle_school/pre-algebra/intro_solving_graph_inequal.pdf
![Page 13: Unit 6 Lesson 1 An inequality is like an equation, but instead of an equal sign (=) it has one of these signs: < : less than ≤ : less than or equal to](https://reader036.vdocument.in/reader036/viewer/2022062304/56649e9e5503460f94b9fbff/html5/thumbnails/13.jpg)
http://www.nsa.gov/academia/_files/collected_learning/middle_school/pre-algebra/intro_solving_graph_inequal.pdf
![Page 14: Unit 6 Lesson 1 An inequality is like an equation, but instead of an equal sign (=) it has one of these signs: < : less than ≤ : less than or equal to](https://reader036.vdocument.in/reader036/viewer/2022062304/56649e9e5503460f94b9fbff/html5/thumbnails/14.jpg)
http://www.nsa.gov/academia/_files/collected_learning/middle_school/pre-algebra/intro_solving_graph_inequal.pdf
![Page 15: Unit 6 Lesson 1 An inequality is like an equation, but instead of an equal sign (=) it has one of these signs: < : less than ≤ : less than or equal to](https://reader036.vdocument.in/reader036/viewer/2022062304/56649e9e5503460f94b9fbff/html5/thumbnails/15.jpg)
http://www.nsa.gov/academia/_files/collected_learning/middle_school/pre-algebra/intro_solving_graph_inequal.pdf
![Page 16: Unit 6 Lesson 1 An inequality is like an equation, but instead of an equal sign (=) it has one of these signs: < : less than ≤ : less than or equal to](https://reader036.vdocument.in/reader036/viewer/2022062304/56649e9e5503460f94b9fbff/html5/thumbnails/16.jpg)
![Page 17: Unit 6 Lesson 1 An inequality is like an equation, but instead of an equal sign (=) it has one of these signs: < : less than ≤ : less than or equal to](https://reader036.vdocument.in/reader036/viewer/2022062304/56649e9e5503460f94b9fbff/html5/thumbnails/17.jpg)
(a) –4 ___ 12 (b) 23 ___ –21 (c) –145 ___ –211 (d) 29 ___ –32 (e) –101 ___ –110
http://www.etap.org/demo/Algebra1/lesson2/instruction3tutor.html
<>
>>>
![Page 18: Unit 6 Lesson 1 An inequality is like an equation, but instead of an equal sign (=) it has one of these signs: < : less than ≤ : less than or equal to](https://reader036.vdocument.in/reader036/viewer/2022062304/56649e9e5503460f94b9fbff/html5/thumbnails/18.jpg)
m = –1 m = –2
m = 10 m = 1
m = 2
http://www.etap.org/demo/Algebra1/lesson2/instruction3tutor.html
![Page 19: Unit 6 Lesson 1 An inequality is like an equation, but instead of an equal sign (=) it has one of these signs: < : less than ≤ : less than or equal to](https://reader036.vdocument.in/reader036/viewer/2022062304/56649e9e5503460f94b9fbff/html5/thumbnails/19.jpg)
21, –11, 0, 43, 11, –19, 54, –45, –25, 19
http://www.etap.org/demo/Algebra1/lesson2/instruction3tutor.html
–45 < –25 < –19 < –11< 0 < 11 < 19 < 21 < 43 < 54