1. Chapter 6 Test Review
Algebra 1: 2/13/2013

2. Graph to Solve
2x – 3y = -6 and y = -3x + 2

3. 12. Graph to Solve
-3x + y = -3 and y = x - 3

4. 13. Graph to Solve
x + 2y = 6 and 3x + 6y = 8

5. 14. Graph to Solve
3x + y = 5 and 6x = 10 – 2y

6. 15. MAGIC NUMBERS: Sean is trying to find two numbers with a sum of 14 and a difference of 4. Define two variables, write a system of equations, and solve by graphing.

7. 17. Substitution to Solve
x + 3y = -28 and y = -5x

8. 18. Substitution to Solve
3x + 2y = 16 and x = 3y - 2

9. 19. Substitution to Solve
x – y = 8 and y = -3x

10. 20. Substitution to Solve
y = 5x – 3 and x + 2y = 27

11. 22. GEOMETRY: The perimeter of a rectangle is 48 inches
22. GEOMETRY: The perimeter of a rectangle is 48 inches. The length is 6 inches greater than the width. Define the variables and write equations to represent this situation. Solve the system by using substitution.

12. 27. Elimination to Solve
6x + y = 9 and -6x + 3y = 15

13. 28. Elimination to Solve
x – 4y = 2 and 3x + 4y = 38

14. 29. Elimination to Solve
2x + 2y = 4 and 2x – 8y = -46

15. 30. Elimination to Solve
3x + 2y = 8 and x + 2y = 2

16. 31. BASEBALL CARDS: Cristiano bought 24 baseball cards for $50
31. BASEBALL CARDS: Cristiano bought 24 baseball cards for $50. One type of card costs $1 per card, and the other cost $3 per card. Define the variables, and write equations to find the number of each type of card he bought. Solve by using elimination.

17. 36. Elimination to Solve
8x – 3y = -35 and 3x + 4y = 33

18. 37. Elimination to Solve
2x + 9y = 3 and 5x + 4y = 26

19. 38. Elimination to Solve
-7x + 3y = 12 and 2x – 8y = -32

20. 39. Elimination to Solve
8x – 5y = 18 and 6x + 6y = -6

21. 40. BAKE SALE: On the first day a total of 40 items were sold for $356
40. BAKE SALE: On the first day a total of 40 items were sold for $356. Define the variables and write a system of equations to find the number of cakes and pies sold. Solve by using elimination.
Bake Sale
Pies
$ 10
Cakes
$ 8

22. 51. Graph to Solve
x > 3 and y < x + 2

23. 52. Graph to Solve
y < 5 and y > x - 4

24. 53. Graph to Solve
y < 3x – 1 and y > -2x + 4

25. 54. Graph to Solve
y < -x – 3 and y > 3x - 2