1. 2. 3. 4. Student: John Gabriel Date: 11/26/16 Instructor: Laura Franks Course: College Algebra Fall 2016 Assignment: 5.1 Solving Systems of Linear Equations in Two Var Solve the system by the substitution method. x + 2y = − 2 y = − 3x − 16 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. The solution set is { }. (Type an ordered pair.) B. There are infinitely many solutions. C. There is no solution. Solve the system by the addition method. x y +3 = −4 3 +2 = 9 x y Select the correct choice below and fill in any answer boxes present in your choice. A. The solution set is { }. (Simplify your answer. Type an ordered pair.) B. C. There is no solution. Solve the system by the method of your choice. 5x = y − 5 5x − y = 7 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. The solution set is { }. (Type an ordered pair.) B. There are infinitely many solutions. C. There is no solution. Solve the system by the method of your choice. x= y6 +9 2 − 12 = 18 x y Select the correct choice below and fill in any answer boxes present in your choice. A. The solution set is { }. (Simplify your answer. Type an ordered pair.) B. There are infinitely many solutions. C. There is no solution. There are infinitely many solutions. 5.1 Solving Systems of Linear Equations in Two Var-John Gabriel https://xlitemprod.pearsoncmg.com/api/v1/print/math 1 of 3 11/26/16 11:44 PM 5. 6. 7. 8. Solve by the method of your choice. 5x − 4y = 2 2x + y = 6 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. The solution set is { }. (Type an ordered pair.) B. There are infinitely many solutions. C. There is no solution. Solve by the method of your choice. 4x + 12y = 12 5x + 15y = 15 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. The solution set is { }. (Type an ordered pair.) B. C. There is no solution. Solve the system by the method of your choice. − = −1 x 3 y 3 x + 2y = − 9 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. The solution set is { }. (Type an ordered pair.) B. There are infinitely many solutions. C. There is no solution. Solve the system by the addition method. 4x = 3y − 7 8x = − 1 − 5y Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. The solution set is { }. B. There are infinitely many solutions. The solution set is { } (x,y)| . (Type an equation.) C. The solution set is . There are infinitely many solutions. (Type an integer or a simplified fraction. Type an ordered pair.) 5.1 Solving Systems of Linear Equations in Two Var-John Gabriel https://xlitemprod.pearsoncmg.com/api/v1/print/math 2 of 3 11/26/16 11:44 PM 9. 10. Solve the system by the method of your choice. − =4 x+3 3 y+6 4 = − x+y 7 x−y 3 7 3 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. The solution set is { }. (Type an ordered pair.) B. There are infinitely many solutions. C. There is no solution. The figure on the right shows the graphs of the cost and revenue functions for a company that manufactures and sells small radios. How many radios must be produced and sold for the company to break even? The number of radios that must be produced and sold in order to break even is radios. 5.1 Solving Systems of Linear Equations in Two Var-John Gabriel https://xlitemprod.pearsoncmg.com/api/v1/print/math 3 of 3 11/26/16 11:44 PM

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