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Hw2_MTH_114-1 - 1 Determine whether the given ordered pair...

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1. Determine whether the given ordered pair is a solution of the systems of equations? 6x-y =31 5x -7y = -5 Is the ordered pair (6,5) a solution? 2. Solve the system of equations by graphing x + y =8 y – x = 8 The solution set of the system of equations is {0,8 } 3. Solve the system of equations by graphing x – 2y = 10 x + 2y = -2 The solution set is {4,-3 } 4. Write the percent as a fraction or mixed number in lowest terms. 87.5% = .875 or 175/2 5. Solve the system of equations by graphing y = -3x +3 5x + y = 5 The solution set of the system of equation is {1,0 ) 6. Solve the system of equations by substitution. 5x + y = 9 y = 4x The solution set is {1,4 } 7. solve by the substitution method 2x + 5y = 26 x = 40-7y The solution set is { -2,6} 8. Solve by the substitution method. 15x – 20y = 7 10y = -3 + 5x The solution set is {imposible = 0 } 9. Solve the system by the substitution method. 48x – 8y = 72 y = 6x + 9 The solution set to the system is {imposible to x=0 }
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10.Complete the chart. Type the answer in fractional and percent notation.
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