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Inequalities Symbols and line graphs
Symbols < is less than > is greater than < is less than or equal to > is greater than or equal to points to the left … try this - with left hand: make an L, then slightly “lean” hand … <
Line Graphs is greater than is less than
More line graphs is greater than or equal to is less than or equal to
Solving Inequalities Use the same steps you use to solve for a variable in an equation with an equal sign Before graphing, be sure to write the solution with the variable on the left hand side.
Practice problems 1. m – 12 > 65 2. x + 23 < 14 3. 12 > y – 9 Solve each inequality, check your solution and then graph.
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Solving Inequalities Pages Solving Inequalities ● Solving inequalities follows the same procedures as solving equations. ● There are a few.
Solving inequalities follows the same procedures as solving equations. There are a few special things to consider with inequalities: ◦ We need to.
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Copyright © 2009 Pearson Education, Inc. Publishing as Pearson Addison-Wesley Systems of Linear Inequalities Solving Linear Inequalities in Two Variables.
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Inequalities. SymbolMeaning Greater Than =Equal Greater Than or Equal To.
InequalitiesInequalities. An inequality is like an equation, but instead of an equal sign (=) it has one of these signs: Inequalities work like equations,
4.2 Solving Inequalities using ADD or SUB. 4.2 – Solving Inequalities Goals / “I can…” Use addition to solve inequalities Use subtraction to solve.
Inequalities and their Graphs Objective: To write and graph simple inequalities with one variable.
4.1.1 – Solving Inequalities. All equations we have solved are considered problems of equality – Involves some kind of equal sign On the other hand, we.
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