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AIM: Solving Inequalites
involving Multiplication
and Division          Do Now




                               1
Homework: Pages 580-581 #8-13 all, 20, 21, 41




                                                2
Anticipatory Set
  Multiplying or Dividing an Inequality BY a Negative Number


Simplify each expression in your notes and fill in the blank with < or >.


                 6 ÷ 2 ______ 12 ÷ 2
                 6 ÷ 1 ______ 12 ÷ 1
              6 ÷ (-1) _______ 12 ÷ (-1)
              6 ÷ (-2) _______ 12 ÷ (-2)




                                                                            3
Anticipatory Set
  Multiplying or Dividing an Inequality BY a Negative Number


Simplify each expression in your notes and fill in the blank with < or >.


                 6 2 ______ 12                       2
                 6 1 ______ 12                       1
               6 (-1) _______ 12                     (-1)
               6 (-2) _______ 12                     (-2)




                                                                            4
Anticipatory Set
Multiplying or Dividing an Inequality BY a Negative Number




CONCLUSION: Explain what you noticed
when you divided or multiplied an inequality
by a negative number.




                                                             5
A.) Solve the following inequality:
            -4x > 48                  CHECK




Graph the solution set.




                                              6
B.) Solve the following inequality:
             3x < -21                 CHECK




 Graph the solution set.




                                              7
C.) Solve the following inequality:
                                       CHECK
               x
                   ≤   6
              -4




Graph the solution set.




                                               8
D.) Solve the following inequality:
                                       CHECK
               x
                   ≥   -4
               5




Graph the solution set.




                                               9
E.) Solve the following inequality:
             x+4>2                    CHECK




Graph the solution set.




                                              10
F.) Solve the following inequality:
             x - 5 ≤ -3               CHECK




Graph the solution set.




                                              11
G.) Solve the following inequality:
            2+m≥2                     CHECK




Graph the solution set.




                                              12
Before You Leave




                   13
Mr. Tjersland's Math 7




Homework: Pages 584-585 #9, 10, 11, 16, 17, 19, 20, 41-44 all




                                                                14
AIM: Solving Inequalites
involving Multiplication
and Division



                 BIG IDEA




                            15
Attachments



     Class Notes 10­23­06.doc

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Day 14 solving one step ineq mult div

  • 1. AIM: Solving Inequalites involving Multiplication and Division Do Now 1
  • 2. Homework: Pages 580-581 #8-13 all, 20, 21, 41 2
  • 3. Anticipatory Set Multiplying or Dividing an Inequality BY a Negative Number Simplify each expression in your notes and fill in the blank with < or >. 6 ÷ 2 ______ 12 ÷ 2 6 ÷ 1 ______ 12 ÷ 1 6 ÷ (-1) _______ 12 ÷ (-1) 6 ÷ (-2) _______ 12 ÷ (-2) 3
  • 4. Anticipatory Set Multiplying or Dividing an Inequality BY a Negative Number Simplify each expression in your notes and fill in the blank with < or >. 6 2 ______ 12 2 6 1 ______ 12 1 6 (-1) _______ 12 (-1) 6 (-2) _______ 12 (-2) 4
  • 5. Anticipatory Set Multiplying or Dividing an Inequality BY a Negative Number CONCLUSION: Explain what you noticed when you divided or multiplied an inequality by a negative number. 5
  • 6. A.) Solve the following inequality: -4x > 48 CHECK Graph the solution set. 6
  • 7. B.) Solve the following inequality: 3x < -21 CHECK Graph the solution set. 7
  • 8. C.) Solve the following inequality: CHECK x ≤ 6 -4 Graph the solution set. 8
  • 9. D.) Solve the following inequality: CHECK x ≥ -4 5 Graph the solution set. 9
  • 10. E.) Solve the following inequality: x+4>2 CHECK Graph the solution set. 10
  • 11. F.) Solve the following inequality: x - 5 ≤ -3 CHECK Graph the solution set. 11
  • 12. G.) Solve the following inequality: 2+m≥2 CHECK Graph the solution set. 12
  • 14. Mr. Tjersland's Math 7 Homework: Pages 584-585 #9, 10, 11, 16, 17, 19, 20, 41-44 all 14
  • 15. AIM: Solving Inequalites involving Multiplication and Division BIG IDEA 15
  • 16. Attachments Class Notes 10­23­06.doc