Systems of Equations True or False

1.	What number should you multiply Row 1 by to use the elimination method in this system of equations: -3x – 6y = 11 2x + 18y = 6 -> 3 True False
2.	Solve this system of equations using the elimination method: 2x + 5y = 10 -2x + 9y = 18 -> (2,5) True False
3.	Using a graphing calculator, find a solution to this system of equations: y = ln(x²) y = 6x + 1 -> (0, -1.64) True False
4.	What method is easiest for solving this system of equations: y = -2.1x – 6.9 3x – 10y = 1.9 -> Substitution True False
5.	What does the "solution of a system of equations" mean? -> Where two equations intersect True False
6.	What method does the Gaussian method for solving systems of equations use? -> Elimination True False
7.	Solve the following system of equations: 3x + 2y – 2z = 3 3y + 4z = 7 z = 1 -> (1, 1, 0) True False
8.	What shape are you trying to achieve when doing Gaussian elimination? -> Rectangle True False
9.	Solve this system of equations using Gaussian elimination: -x + 5y + 2z = 5 2x – y – z = -7 y + z = 1 -> (2, 0, -1) True False
10.	What is the solution to the following system of equations: 2x – 2y – 2z = 6 3x + y – z = 3 -2x + 2y + 2z = 5 -> No solution True False

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