Warm up 7 1 3x 1 8 or 3x 1 8 1 1 1 1 3x 7 3x 9 3 3 3 3 x or x 3 Warm up 7 Solutions 2 2 2 ID: 777676
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Slide1
Solve for x.1. 2. 3.
Warm – up #7
Slide21. 3x + 1 = 8 or 3x + 1 = - 8 -1 -1 - 1 -1 3x = 7 3x = -9 3 3 3 3 x = or x = -3
Warm – up #7 Solutions
Slide32. +2 +2 3 3 x = 2 or x = -2
Warm – up #7
Solutions
Slide43. -2 -2 No Solution Warm – up #7 Solutions
Slide5Lesson 1 – 6 Absolute Value Inequalities Day 2Algebra II
Slide6To write & solve inequalities involving absolute valueLearning Objective
Slide7Less Th”AND” x < 5 AND x > -5Great”OR” x > 5 OR x < -5
Flip Inequality
& Change Sign!
Slide81. Less ThAND2x – 1 < 5 and 2x – 1 > - 5 +1 +1 +1 +12x < 6 2x > -4 2 2 2 2x < 6 and x > -2 -2 < x < 6 Solve Absolute Value Inequalities
Slide92. Less ThAND3x - 4 8 and 3x – 4 -8 +4 +4 +4 +43x
12 3x
-4
3
3 3 3
x
4 and x
x
4
Solve Absolute Value Inequalities
Slide103. GreatOR2x + 4 6 or 2x + 4 -6 - 4 - 4 - 4 -42x
2 2x -10
2 2 2 2
x
1
or x
-5
Solve Absolute Value Inequalities
Slide114. GreatOR5x + 10 > 25 or 5x + 10 < -25 - 10 -10 -10 -105x > 15 5x < -35 5 5 5 5 x > 3 or x < -7
Solve Absolute Value Inequalities
Slide125. -4 All Real NumbersAbsolute Value is always positive & will ALWAYS be greater than a negative number!! Solve Absolute Value Inequalities
Slide136. No SolutionAbsolute Value is always positive & will NEVER be less than a negative number!! Solve Absolute Value Inequalities
Slide147. * Know it’s Great“or” > * Find average of endpoints
*Find how far endpts are from avg
:
6
Write an absolute value inequality
Slide158. * Know it’s LessAnd or Equal to * Find average of endpoints
*Find how far endpts are from avg: 10
10
Write an absolute value inequality
Slide169. * Know it’s Great“or” or equal to * Find average of endpoints
*Find how far endpts are from avg: 8
Write an absolute value inequality
Slide1710. * Know it’s LessAnd * Find average of endpoints
*Find how far endpts are from avg: 3
Write an absolute value inequality
Slide18Your friend show the problem as shown. Describe and correct the error.Ticket Out the Door
Slide19Assignment:Absolute Value Inequality WS