SOLVING SYSTEMS OF EQUATIONS USING substitution

QuizÂ by Chad Sechrist

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9 questions

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- Q1What is the solution of the system of equations: x - y = -3, x + y = 1?x = 2, y = -1x = 2, y = 1x = 1, y = 2x = -1, y = 230s
- Q2What is the solution of the system of equations: 3x - 2y = 8, 5x + y = 17?x = 2, y = 3x = 1, y = 4x = 3, y = 2x = 4, y = 130s
- Q3What is the solution of the system of equations: 2x + 3y = 14, 4x + 2y = 20?x = 5, y = 1x = 1, y = 5x = 4, y = 2x = 2, y = 430s
- Q4What is the last step in solving a system of equations using substitution?Add the two equations togetherSubstitute the first equation into the second equationCheck your solution by plugging it back into both original equationsMultiply both equations by the same number30s
- Q5What is the third step in solving a system of equations using substitution?Solve for the remaining variableIsolate the other variable in the second equationAdd the two equations togetherSubstitute the first equation into the second equation30s
- Q6What is the second step in solving a system of equations using substitution?Substitute the isolated variable into the other equationMultiply both equations by the same numberIsolate the other variable in the second equationAdd the two equations together30s
- Q7What method is used to solve systems of equations using substitution?Substitution methodGraphing methodAddition methodMatrix method30s
- Q8What is the solution of the system of equations: -2x + 3y = 5, 4x - 6y = -10?x = 3, y = 1x = 2, y = 2x = 1, y = 3x = 4, y = 430s
- Q9What is the solution of the system of equations: 5x - 3y = 7, -x + 3y = -5?x = 2, y = 3x = -3, y = 2x = 2, y = -3x = -2, y = 330s