Quiz Review3.1-3.3Algebra II Unit 3 Linear Systems© Tentinger
Solve by graphing
Solve by Substitution
Solve by Elimination
Find all whole numbersolutions
Solve by graphing
• An ordinary refrigerator costs $503 and has an estimated  annual operating cost of $92. An energy efficient model costs ...
Homework• Pg. 156• #1-14, 16, 18
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Alg II 3.1-3.3 Quiz Review

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Alg II 3.1-3.3 Quiz Review

  1. 1. Quiz Review3.1-3.3Algebra II Unit 3 Linear Systems© Tentinger
  2. 2. Solve by graphing
  3. 3. Solve by Substitution
  4. 4. Solve by Elimination
  5. 5. Find all whole numbersolutions
  6. 6. Solve by graphing
  7. 7. • An ordinary refrigerator costs $503 and has an estimated annual operating cost of $92. An energy efficient model costs $615 with an estimated annual operating cost of $64. Write a system of equations to represent this situation.• X - # of years, y – total cost of frig• y = 92x + 503• y = 64x + 615• What is the solution to the system?• (4, 871)• What does the solution mean?• The break even point is at 4 years• Which model would you choose and why?
  8. 8. Homework• Pg. 156• #1-14, 16, 18

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