6-2 Solving Linear Systems of Equations Substitution Elimination
Authored by Dana Ruge
Mathematics
10th - 12th Grade
Used 24+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Solve the system of equations using substitution:
-4x + 4y = 8
y = -2x - 10
(-4, -2)
(12, -34)
(4, -18)
(-4, 2)
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Which of the following is the correct setup to solve the system of equations by substitution.
4x + y = 5
-3x + y = - 16
-3x + (4x - 5) = -16
-3x + (-4x + 5) = -16
4x + (3x + 16) = 5
4x + (-3x - 16) = 5
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve the system by elimination.
4x + 12y = −1
−3x − 9y = 0
(10, 1)
(−10, −1)
Infinitely Many Solutions
No solution
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve the System by Substitution:
x - 2y= 1
3x - 6y = 3
NO SOLUTION
(3, 3)
Infinitely Many Solutions
(5, -2)
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve the System by Substitution:
3x - 5y= 15
x - 4y = 12
NO SOLUTION
(3, 0)
(0, -3)
Infinitely Many Solutions
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Solve using substitution.
(1,2)
(-1,-2)
(3,-2)
(2,1)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a correct way to solve this system of equations using Elimination?
Eq 1: 3x - 5y = 12
Eq 2: -2x + 3y = -2
Multiply Eq 1 by (-2) and Eq 2 by (3), then add together
Multiply Eq 1 by (2) and Eq 2 by (-3), then add together
Multiply Eq 1 by (-3) and Eq 2 by (-5), then add together
Multiply Eq 1 by (3) and Eq 2 by (5), then add together
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