SOLVING SYSTEMS OF EQUATIONS USING substitution

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9 questions
• 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?
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
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
30s
• Q7
What method is used to solve systems of equations using substitution?
Substitution method
Graphing 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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