Monday, February 25, 2019 7.5 Solve and Graph Inequalities Chapter 7 – Day 6 7.5 Solve and Graph Inequalities 7.5 HW: TB329 #18-38 even (submit online) Grab a quarter sheet from the back of the room and answer the following question: Translate the sentence into an equation, then solve and check it. The product of a number 4 and w is 36. PLEASE MOVE DESKS BACK INTO GROUP

Translate the sentence into an equation, then solve and check it Translate the sentence into an equation, then solve and check it. The product of a number 4 and w is 36. 4𝑤=36 4 4 𝑤=9 Check: 4𝑤=36 4(9)=36 36=36

2/15 Solve Equations by Predicting 96 Date Title Page 2/15 Ch 5A Revisited 94-95 2/15 Solve Equations by Predicting 96 2/15 7.2 Notes: Solving Equations by + or - 97 2/19 Ch 5A Revisited 98 2/19 7.2 HW 99 2/19 Ch 5B Test 100 2/20 7.2 HW Extra Practice 101 2/20 7.2 Notes: Word Problems 102 2/21 7.3 Notes: Solving Equations by x or / 102 2/21 7.3 HW 103 2/22 7.1-7.3 Pair Work 104-105 2/25 7.5 Notes: Writing and Graphing Inequalities 106 2/25 7.5 Matching 107 2/25 7.5 HW 108

7.5 Notes: Writing and Graphing Inequalities 2/25 106 7.5 Notes: Writing and Graphing Inequalities 2/25

7.5 Notes: Writing and Graphing Inequalities 2/25 106 7.5 Notes: Writing and Graphing Inequalities 2/25 < ≤ > ≥

7.5 Notes: Writing and Graphing Inequalities 2/25 106 7.5 Notes: Writing and Graphing Inequalities 2/25 < less than ≤ > ≥

7.5 Notes: Writing and Graphing Inequalities 2/25 106 7.5 Notes: Writing and Graphing Inequalities 2/25 < less than ≤ less than or equal to > ≥

7.5 Notes: Writing and Graphing Inequalities 2/25 106 7.5 Notes: Writing and Graphing Inequalities 2/25 < less than ≤ less than or equal to > greater than ≥

7.5 Notes: Writing and Graphing Inequalities 2/25 106 7.5 Notes: Writing and Graphing Inequalities 2/25 < less than ≤ less than or equal to > greater than ≥ greater than or equal to

7.5 Notes: Writing and Graphing Inequalities 2/25 106 7.5 Notes: Writing and Graphing Inequalities 2/25 < less than ≤ less than or equal to > greater than ≥ greater than or equal to Every inequality can be graphed on a number line

7.5 Notes: Writing and Graphing Inequalities 2/25 106 7.5 Notes: Writing and Graphing Inequalities 2/25 < less than ≤ less than or equal to > greater than ≥ greater than or equal to Every inequality can be graphed on a number line 1a. 𝒙> −𝟏

7.5 Notes: Writing and Graphing Inequalities 2/25 106 7.5 Notes: Writing and Graphing Inequalities 2/25 < less than ≤ less than or equal to > greater than ≥ greater than or equal to Every inequality can be graphed on a number line 1a. 𝒙> −𝟏 −𝟐 −𝟏 𝟎

7.5 Notes: Writing and Graphing Inequalities 2/25 106 7.5 Notes: Writing and Graphing Inequalities 2/25 < less than ≤ less than or equal to > greater than ≥ greater than or equal to Every inequality can be graphed on a number line 1a. 𝒙> −𝟏 −𝟐 −𝟏 𝟎

7.5 Notes: Writing and Graphing Inequalities 2/25 106 7.5 Notes: Writing and Graphing Inequalities 2/25 < less than ≤ less than or equal to > greater than ≥ greater than or equal to Every inequality can be graphed on a number line 1a. 𝒙> −𝟏 An open circle (unfilled) is used for < or > (symbols that do not include the number). −𝟐 −𝟏 𝟎

7.5 Notes: Writing and Graphing Inequalities 2/25 106 7.5 Notes: Writing and Graphing Inequalities 2/25 < less than ≤ less than or equal to > greater than ≥ greater than or equal to Every inequality can be graphed on a number line An open circle (unfilled) is used for < or > (symbols that do not include the number). 1a. 𝒙> −𝟏 −𝟐 −𝟏 𝟎

7.5 Notes: Writing and Graphing Inequalities 2/25 106 7.5 Notes: Writing and Graphing Inequalities 2/25 < less than ≤ less than or equal to > greater than ≥ greater than or equal to Every inequality can be graphed on a number line An open circle (unfilled) is used for < or > (symbols that do not include the number). An arrow in the direction of the symbol to indicate the solution set. 1a. 𝒙> −𝟏 −𝟐 −𝟏 𝟎

1b. 𝒙≥ −𝟏

1b. 𝒙≥ −𝟏 −𝟐 −𝟏 𝟎

1b. 𝒙≥ −𝟏 −𝟐 −𝟏 𝟎

1b. 𝒙≥ −𝟏 A closed circle is used for ≤𝒂𝒏𝒅 ≥ (symbols that do include the number). −𝟐 −𝟏 𝟎

1b. 𝒙≥ −𝟏 A closed circle is used for ≤𝒂𝒏𝒅 ≥ (symbols that do include the number). −𝟐 −𝟏 𝟎

1b. 𝒙≥ −𝟏 A closed circle is used for ≤𝒂𝒏𝒅 ≥ (symbols that do include the number). −𝟐 −𝟏 𝟎 1c. 𝒙< −𝟏

1b. 𝒙≥ −𝟏 A closed circle is used for ≤𝒂𝒏𝒅 ≥ (symbols that do include the number). −𝟐 −𝟏 𝟎 1c. 𝒙< −𝟏 −𝟐 −𝟏 𝟎

1b. 𝒙≥ −𝟏 A closed circle is used for ≤𝒂𝒏𝒅 ≥ (symbols that do include the number). −𝟐 −𝟏 𝟎 1c. 𝒙< −𝟏 −𝟐 −𝟏 𝟎

1b. 𝒙≥ −𝟏 A closed circle is used for ≤𝒂𝒏𝒅 ≥ (symbols that do include the number). −𝟐 −𝟏 𝟎 1c. 𝒙< −𝟏 −𝟐 −𝟏 𝟎

1b. 𝒙≥ −𝟏 A closed circle is used for ≤𝒂𝒏𝒅 ≥ (symbols that do include the number). −𝟐 −𝟏 𝟎 1c. 𝒙< −𝟏 −𝟐 −𝟏 𝟎 1d. 𝒙≤ −𝟏

1b. 𝒙≥ −𝟏 A closed circle is used for ≤𝒂𝒏𝒅 ≥ (symbols that do include the number). −𝟐 −𝟏 𝟎 1c. 𝒙< −𝟏 −𝟐 −𝟏 𝟎 1d. 𝒙≤ −𝟏 −𝟐 −𝟏 𝟎

1b. 𝒙≥ −𝟏 A closed circle is used for ≤𝒂𝒏𝒅 ≥ (symbols that do include the number). −𝟐 −𝟏 𝟎 1c. 𝒙< −𝟏 −𝟐 −𝟏 𝟎 1d. 𝒙≤ −𝟏 −𝟐 −𝟏 𝟎

1b. 𝒙≥ −𝟏 A closed circle is used for ≤𝒂𝒏𝒅 ≥ (symbols that do include the number). −𝟐 −𝟏 𝟎 1c. 𝒙< −𝟏 −𝟐 −𝟏 𝟎 1d. 𝒙≤ −𝟏 −𝟐 −𝟏 𝟎

On Your Own, graph the following inequalities 2b. 𝐤≥−𝟐 2c. 𝐲≤𝟎 2d. 𝒉>𝟑

On Your Own, graph the following inequalities 𝟒 𝟓 𝟔 2b. 𝐤≥−𝟐 −𝟑 −𝟏 −𝟐 2c. 𝐲≤𝟎 −𝟏 𝟏 𝟎 2d. 𝒉>𝟑 𝟐 𝟒 𝟑

7.5 HW: TB329 #18-38 even (submit online) 2/25 108 7.5 HW: TB329 #18-38 even (submit online) 2/25

Wrap Up What are the four symbols used for inequalities? What symbols require using an open circle? What symbols require using a closed circle? What symbols indicate a right arrow? What symbols indicate a left arrow? What symbol does at most use? What symbol does at least use? What symbol does up to use? What symbol does over use? What symbol does under use? What symbol does more than use?