Algebr Systems of Equations, Inequalities, and Expressions

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AlgebraSystems of Equations, Inequalities, and ExpressionsClass: Algebra 1 Part 2U2 MidReport Date: 02/26/2013PrintTest Questions1.Solve the system using elimination.x+ 5y=–284x–5y= 13A.(–3,–5)B.(–5,–3)C.(–2,–5.2)D.(5, 4)PointsPossible:0.502.Solve the system using elimination.7x+ 5y= 15–6x–4y=–14A.(–4, 5)B.(–6, 7)C.(7,–7)D.(5,–4)PointsPossible:0.503.A jarcontaining only nickels and dimes contains a total of 60 coins. The value of allthe coins in the jar is $4.45. Solve by elimination to find the number of nickels anddimes that are in the jar.A.30 nickels and 30 dimesB.31nickels and 29 dimesC.29 nickels and 31 dimesD.28 nickels and 32 dimesPointsPossible:0.504.Graph the inequality.A.

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B.C.D.

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PointsPossible:0.505.Write the linear inequality shown in the graph.A.B.C.D.PointsPossible:0.506.Simplify the expression.A.B.C.

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D.PointsPossible:0.507.Simplify the expression.A.B.C.D.PointsPossible:0.508.Simplify theexpression.A.B.C.D.PointsPossible:0.509.Write the number in scientific notation.744A.B.C.D.PointsPossible:0.50

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10.Simplify the expression. Write the answer using scientific notation.A.B.C.D.PointsPossible:0.5011.Simplify theexpression. Write the answer using scientific notation.A.B.C.D.PointsPossible:0.5012.The sum of two numbers is 82. Their difference is 24. Write a system ofequations thatdescribes this situation. Solve by elimination to find the two numbers.A.x+y= 82x–y= 2448 and 24B.x–y= 82x+y= 2452 and 30C.x+y= 24y–x= 8248 and 30D.x+y=82x–y= 2453 and 29PointsPossible:0.5013.Solve the system using elimination.2x+y= 22x–y= 6A.(1, 2)B.(–2, 2)C.(3,–4)

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D.(2,–2)PointsPossible:0.5014.Solve the system of linear inequalities by graphing.A.B.C.

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D.PointsPossible:0.5015.Simplify the expression.A.B.16C.D.–8PointsPossible:0.5016.Simplify the expression.A.

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B.C.D.PointsPossible:0.5017.Simplify theexpression.A.B.C.D.PointsPossible:0.5018.Write the number in scientific notation.0.0805A.B.C.D.PointsPossible:0.5019.Which list shows the numbers in order from least to greatest?A.B.C.D.PointsPossible:0.5020.Simplify the expression. Write theanswer using scientific notation.

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A.B.C.D.PointsPossible:0.5021.Simplify the expression. Write the answer using scientific notation.A.B.C.D.PointsPossible:0.5022.The sum of two numbers is 81. Their difference is 19. Write a system of equations thatdescribes this situation. Solve by elimination to find the two numbers.A.x+y= 19y–x= 8145 and 32B.x+y= 81x–y= 1950 and 31C.x+y= 81x–y= 1945 and 26D.x–y= 81x+y= 1949 and 32PointsPossible:0.5023.Sharon has someone-dollar bills and some five-dollar bills. She has 14 bills. The valueof the bills is $30. Solve a system of equations using elimination to find how many ofeach kind of bill she has.A.4 five-dollar bills, 10 one-dollar billsB.3 five-dollar bills, 15 one-dollar billsC.5 five-dollar bills, 5 one-dollar billsD.5 five-dollar bills, 9 one-dollar billsPointsPossible:0.5024.

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