Lesson 6.1 Solving Inequalities by Addition and Subtraction Objective by aqo41539

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									Algebra I                   Date _________               Name ________________
Lesson     6.1 Solving Inequalities by Addition and Subtraction
Objective 1) Solve linear inequalities by using addition
          2) Solve linear inequalities by using subtraction
Main Ideas          Notes

Review of
Inequalities

Definition        Addition Property of Inequalities




Solve by adding   Example 1
                     a. s – 12 ≥ 65



                      b. -5 + t < 12



Graph the         Example 2
solution             a. Graph the solution to Example 1a



                      b. Graph the solution to Example 1b



Definition        Subtraction Property of Inequalities



Solve by          Example 3
subtraction and   q + 23 < 14
graph the
solution
Variables on both Example 4
sides. Solve and 12n – 4 ≤ 13n
graph the
solution.




                                                Inequalities
                          <                 >                  ≤               ≥




Write and solve   Example 5
an inequality     Seven times a number is greater than six times that number minus two.




Write an          Example 6
inequality to     Alicia wants to buy season passes to two theme parks. If one season
solve a problem   pass costs $54.99, and Alicia has $100 to spend on passes, the second
                  season pass must cost no more than what amount?

								
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