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Do Now: Solve the system graphically.

In this Algebra II/Trig lesson, you will learn how to solve systems of linear equations graphically. Practice problems include substitution and elimination methods.

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Do Now: Solve the system graphically.

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  1. Do Now: Solve the system graphically.

  2. Academy Algebra II/Trig 12.1: Systems of Linear Equations HW: p.847 (18, 22, 30, 34, 42, 46) Quiz 12.1, 12.7: Wed. 10/10

  3. Solve the system using substitution. 1.) 2x + y = 5 -4x + 6y = -2

  4. Solve the system using elimination. 2.) x + ½y = 5 4x + 2y = 8

  5. Solve the system. 3.) 2x + y = 4 -6x – 3y = -12

  6. Solve the system. 4.) x + y – z = -1 4x – 3y + 2z = 16 2x – 2y – 3z = 5

  7. Solve the system. 5.) x + y + z = 3 2x – 3y + 6z = -21 -3x + 5y = -14

  8. p.836 Ex.1 A movie theater sells tickets for $8 each, with seniors receiving a discount of $2. If one evening the theater took in $3,580 in revenue by selling a total of 525 tickets, how many of each ticket did the theater sell?

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