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Section 2-4 Absolute Values in open Sentences DO NOW: Take out your homework from last night, your notes, a calculator, and pencil. Objective: To solve.

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Presentation on theme: "Section 2-4 Absolute Values in open Sentences DO NOW: Take out your homework from last night, your notes, a calculator, and pencil. Objective: To solve."— Presentation transcript:

1 Section 2-4 Absolute Values in open Sentences DO NOW: Take out your homework from last night, your notes, a calculator, and pencil. Objective: To solve open sentences involving absolute value

2 Review from section 2-2 Problem The Perez family has 100 more shares of stock B than of stock A. The current price per share of stock A is $18.50 and stock B is $24.75. At most how many shares of each do they have if the average price per share is greater than $22? Solution The problem asks for the maximum number of shares of each stock Let a= number of shares of stock A, Then a+100= number of shares of stock B. 18.5a+24.75(a+100) >22 a+(a+100  Solve

3 Review Problem The Perez family has 100 more shares of stock B than of stock A. The current price per share of stock A is $18.50 and stock B is $24.75. At most how many shares of each do they have if the average price per share is greater than $22? Solve

4 2-4 Absolute Value in Open Sentences Sentence |x|= Distance between x and 0 equals 1 |x| >1 Distance between x and 0 is greater than 1 |x|<1 Distance between x and 0 is less than 1 Graph Equivalent Sentence X=-1 or x=1 X 1 -1 <x<1

5 SOLVE: |3x-2|=8 3x-2= -8 3x-2=8 OR Find the Solution Set

6 |3-2t|<5 Solve: |3-2t|<5 Solution: |3-2t|<5 is equivalent to this conjunction -5<3-2t<5

7 Solve |2z-1|+3> And graph it’s solution set

8 Use this time to start in on your homework Page 75, section A  9,10,17 Section B  19, 20 Section C  33 Did we reach out objective: To solve open sentences involving absolute value


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