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Algebr Systems of Equations, Inequalities, and Expressions

An algebra assignment focusing on systems of equations, inequalities, and simplifying algebraic expressions.

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    Algebra Systems of Equations, Inequalities, and Expressions Class: Algebra 1 Part 2 U2 Mid Report Date: 02/26/2013 Print Test Questions 1. Solve the system using elimination. x + 5 y = – 28 4 x – 5 y = 13 A. ( – 3, – 5) B. ( – 5, – 3) C. ( – 2, – 5.2) D. (5, 4) Points Possible:0.50 2. Solve the system using elimination. 7 x + 5 y = 15 – 6 x – 4 y = – 14 A. ( – 4, 5) B. ( – 6, 7) C. (7, – 7) D. (5, – 4) Points Possible:0.50 3. A jar containing only nickels and dimes contains a total of 60 coins. The value of all the coins in the jar is $4.45. Solve by elimination to find the number of nickels and dimes that are in the jar. A. 30 nickels and 30 dimes B. 31 nickels and 29 dimes C. 29 nickels and 31 dimes D. 28 nickels and 32 dimes Points Possible:0.50 4. Graph the inequality. A.

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    B. C. D.

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    Points Possible:0.50 5. Write the linear inequality shown in the graph. A. B. C. D. Points Possible:0.50 6. Simplify the expression. A. B. C.

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    D. Points Possible:0.50 7. Simplify the expression. A. B. C. D. Points Possible:0.50 8. Simplify the expression. A. B. C. D. Points Possible:0.50 9. Write the number in scientific notation. 744 A. B. C. D. Points Possible:0.50

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    10. Simplify the expression. Write the answer using scientific notation. A. B. C. D. Points Possible:0.50 11. Simplify the expression. Write the answer using scientific notation. A. B. C. D. Points Possible:0.50 12. The sum of two numbers is 82. Their difference is 24. Write a system of equations that describes this situation. Solve by elimination to find the two numbers. A. x + y = 82 x – y = 24 48 and 24 B. x – y = 82 x + y = 24 52 and 30 C. x + y = 24 y – x = 82 48 and 30 D. x + y = 82 x – y = 24 53 and 29 Points Possible:0.50 13. Solve the system using elimination. 2 x + y = 2 2 x – y = 6 A. (1, 2) B. ( – 2, 2) C. (3, – 4)

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    D. (2, – 2) Points Possible:0.50 14. Solve the system of linear inequalities by graphing. A. B. C.

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    D. Points Possible:0.50 15. Simplify the expression. A. B. 16 C. D. – 8 Points Possible:0.50 16. Simplify the expression. A.

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    B. C. D. Points Possible:0.50 17. Simplify the expression. A. B. C. D. Points Possible:0.50 18. Write the number in scientific notation. 0.0805 A. B. C. D. Points Possible:0.50 19. Which list shows the numbers in order from least to greatest? A. B. C. D. Points Possible:0.50 20. Simplify the expression. Write the answer using scientific notation.

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    A. B. C. D. Points Possible:0.50 21. Simplify the expression. Write the answer using scientific notation. A. B. C. D. Points Possible:0.50 22. The sum of two numbers is 81. Their difference is 19. Write a system of equations that describes this situation. Solve by elimination to find the two numbers. A. x + y = 19 y – x = 81 45 and 32 B. x + y = 81 x – y = 19 50 and 31 C. x + y = 81 x – y = 19 45 and 26 D. x – y = 81 x + y = 19 49 and 32 Points Possible:0.50 23. Sharon has some one - dollar bills and some five - dollar bills. She has 14 bills. The value of the bills is $30. Solve a system of equations using elimination to find how many of each kind of bill she has. A. 4 five - dollar bills, 10 one - dollar bills B. 3 five - dollar bills, 15 one - dollar bills C. 5 five - dollar bills, 5 one - dollar bills D. 5 five - dollar bills, 9 one - dollar bills Points Possible:0.50 24.

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