day 11- solving inequalities notes.notebook · 2019-10-28 · day 11 solving inequalities...
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Day 11 Solving Inequalities Notes.notebook
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10/28/19 Module 4Day 11 Solving Inequalities (Pages 1921)
Learning Targets:1. Solve inequalities with one
variable2. Graph inequalities with one
variable
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What is an Inequality? p. 19
An inequality is a statement that compares two quantities. The quantities being compared use one of the following signs:
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Translating Inequalities into Words
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Graphing Inequalities
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Solutions to Inequalities
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Special Rule with Inequalities
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variable
X 7
inequality symbol
constant
If you have to"flip flop" the sides of the inequality,you mustalso "flip flop"the inequality symbol!
11 isgreater than b11 > b
means
b is less than 11b < 11
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Whenever you MULTIPLY or DIVIDE both sides of an inequality by a NEGATIVE NUMBER, youmust flip the inequality symbol.
Get the variable by itself on one side of the inequality symbol.
Check the order! Variable-Symbol-Constant.
Circle the number on the number line.
Open circle or closed circle?Shade appropriately
3 2 1 0 1 2 3
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Practice I do
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Practice We do
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Practice You do!
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Practice You do!
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Practice You do!
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Practice You do!
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Class Practice 10/28/19
(20 mins)
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