Solve Systems of Equations by Substitutions
Authored by Shirley Byrden
Mathematics
8th Grade
Used 33+ times
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4 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Solve the system by substitution.
5x + 4y= −14
y = −7x − 15
(-2, -1)
(1, -2)
(-2, 1)
(-1, -2)
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
x - 3y = -13
4x + 2y = 4
(1, 4)
(-1, -4)
(-1, 4)
(1, -4)
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
7x + y = -20
y = 3x + 10
(-3, 1)
(-1, -3)
(-3,-7)
(-1,7)
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
3x + 2y = 16
7x + y = 19
(-2,5)
(-2,-5)
(2,-5)
(2,5)
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