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Linear System of Equations

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Presentation transcript:

1 12 6 7 2 9 5 4 11 3 8 10

1. (-10, 3) -5x = - 2y + 56 x = - 3y - 1 Home

2. (-10, 8) 3x - 5y = -70 -4x + 15y = 160 Home

3. (2, -1) y = 4x - 9 y = x -3 Home

4. (8, 10) Reggie's school is selling tickets to the annual church dinner. On the first day of ticket sales the church sold 3 adult tickets and 5 child tickets for a total of $70. The church took in $216 on the second day by selling 12 senior citizen tickets and 12 child tickets. Find the price of a senior citizen ticket and the price of a child ticket. Home

5. (3, 6) -4x = - 5y + 18 x = - y + 9 Home

6. Infinite Solution 2x + 18y = 22 + -x - 9y = -11 Home

7. (1, 1) y = -3x + 4 y = 3x - 2 Home

8. (17, 19) Kayde and Denise are selling cookie dough for a BETA club fundraiser. Kayde sold 8 packages of chocolate chip cookie dough and 12 packages of gingerbread cookie dough for a total of $364. Denise sold 1 package of chocolate chip cookie dough and 4 packages of gingerbread cookie dough for a total of $93. Find the cost of one package of chocolate chip cookie dough and one package of gingerbread cookie dough. Home

9. (10, 0) 2x + 5y = 20 + x + 5y = 10 Home

10. (Infinite Solutions) -2x -2y = 6 + 10x + 10y = -30 Home

11. (1, -2) y = 2 – 4x y = x - 3 Home

12. (2, 5) Ms. Miller spent $131 on shirts. Dress shirts cost $28 and graphic t’s cost $15. If she bought a total of 7 shirts then how many of dress shirts and how many graphic t’s did she buy? Home