Solve each system of linear equations using substitution.
1) -x + 4 y = 10
4x - 4 y = -4

1 Solving systems 2 and 3 variables
Quiz
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Other
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11th Grade - University
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Hard
Kathy Turner
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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Solve each system of linear equations using substitution.
1) -x + 4 y = 10
4x - 4 y = -4
A) (2, 3)
B) (-3, 2)
C) (2, -3)
D) (-3, -2)
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
2) -2x - y = 3
-x + 2 y = -1
A) (-5, -4)
B) (-5, 2)
C) (1, 1)
D) (-1, -1)
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
3) 3x + y = 1
-5x + 5 y = 5
A) (0, 4)
B) (0, 1)
C) (5, -1)
D) (5, 4)
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
4) -3x - 4 y = -15
x + 3 y = 10
A) (0, 3)
B) (-2, 3)
C) (2, 1)
D) (1, 3)
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
5) -4x - 3 y - 3z = -3
x + 4 y + 4z = 4
-2x + 4z = -8
A) (0, -2, 3)
B) (2, 4, -1)
C) (4, 1, 4)
D) (0, 3, -2)
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
6) 3x + 4z = 0
4x + 5 y + z = -10
2x - 3 y - 3z = 6
A) (4, 2, 0)
B) (0, 2, 4)
C) (0, -2, 0)
D) (2, 4, 0)
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
7) 2x + 2 y - 2z = 6
-2 y + z = -10
-x - 5 y - 2z = -13
A) (4, -4, 4)
B) (4, 4, -4)
C) (-3, 5, -1)
D) (-3, 4, -2)
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