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Algebra 1

Algebra 1

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  • 1. Solving Inequalities Chapter 6 Sections 1 and 2
  • 2. Solving Inequalities  Simplify both sides. – Use the distributive property. – Combine like terms. – Follow PEMDAS.  Bring all variables to one side ( Try to keep the coefficient positive).  Undo operations, addition/subtraction, multiplication/division.
  • 3. Examples  
  • 4. Be Careful2x – 3 > 2 (x -4)2x – 3 > 2x – 8-3 > -8-3x > 24x > -8Wrong!
  • 5. Try These 
  • 6. Application In 1982 Wayne Gretsky set a new record for the greatest number of hockey goals in one season with 92 goals. Suppose that a hockey player has 59 goals so far in a season. What are the possible numbers of additional goals that the player can make in order to match or break Wayne’s record?
  • 7. Application You have w 90000 to buy presents for your friends. You plan to spend w 18000 each. What are the possible numbers of presents that you can buy?
  • 8. Application You apply for a job that requires the ability to type 40 words per minute. You practice typing on a keyboard for 5 minutes. The average number of words you type per minute must be at least meet the job requirement. What are the possible number of words that you can type in 5 minutes in order to meet or exceed the job requirements.