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SOLVING SYSTEMS OF EQUATIONS USING substitution

Quiz by Chad Sechrist

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9 questions
Show answers
  • Q1
    What is the solution of the system of equations: x - y = -3, x + y = 1?
    x = 2, y = -1
    x = 2, y = 1
    x = 1, y = 2
    x = -1, y = 2
    30s
  • Q2
    What is the solution of the system of equations: 3x - 2y = 8, 5x + y = 17?
    x = 2, y = 3
    x = 1, y = 4
    x = 3, y = 2
    x = 4, y = 1
    30s
  • Q3
    What is the solution of the system of equations: 2x + 3y = 14, 4x + 2y = 20?
    x = 5, y = 1
    x = 1, y = 5
    x = 4, y = 2
    x = 2, y = 4
    30s
  • Q4
    What is the last step in solving a system of equations using substitution?
    Add the two equations together
    Substitute the first equation into the second equation
    Check your solution by plugging it back into both original equations
    Multiply both equations by the same number
    30s
  • Q5
    What is the third step in solving a system of equations using substitution?
    Solve for the remaining variable
    Isolate the other variable in the second equation
    Add the two equations together
    Substitute the first equation into the second equation
    30s
  • Q6
    What is the second step in solving a system of equations using substitution?
    Substitute the isolated variable into the other equation
    Multiply both equations by the same number
    Isolate the other variable in the second equation
    Add the two equations together
    30s
  • Q7
    What method is used to solve systems of equations using substitution?
    Substitution method
    Graphing method
    Addition method
    Matrix method
    30s
  • Q8
    What is the solution of the system of equations: -2x + 3y = 5, 4x - 6y = -10?
    x = 3, y = 1
    x = 2, y = 2
    x = 1, y = 3
    x = 4, y = 4
    30s
  • Q9
    What is the solution of the system of equations: 5x - 3y = 7, -x + 3y = -5?
    x = 2, y = 3
    x = -3, y = 2
    x = 2, y = -3
    x = -2, y = 3
    30s

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