Solve Systems of Linear Equations by Substitution and Elmination
Authored by undefined Richir
Mathematics
8th - 9th Grade
CCSS covered
Used 116+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve the following system by substitution: y = 3x - 4
y = -7x + 6
none of the other choices
(1, -1)
(-1, -5)
infinite solutions
(-0.5, -4.15)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
FILL IN THE BLANKS QUESTION
5 mins • 1 pt
Solve the following system by substitution:
-8x + 8y = -24
y = 5x - 11
The x-value of the solution is ---.
(Just type in the number)
(a)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve the following system by substitution:
y = 3x
6x - 2y = 0
(5, -6)
no solution
infinite solutions
(0, 0)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve the following system by substitution:
7x - 8y = -19
y = 5
(3, 5)
(5, 3)
(3, 4)
(4, 3)
none of the other choices
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve the following system by substitution:
x + 4y = -8
-8x + 8y = -16
no solution
(-16, 2)
(-5.333, 3.333)
(0, -2)
none of the other choices
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve the following system by substitution:
6x - 3y = 0
-7x + y = 20
(4, -3)
(-4, -3)
none of the other choices
(4, 3)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
FILL IN THE BLANKS QUESTION
5 mins • 1 pt
Solve the following system by substitution:
-4x - y = -18
y = x - 7
The y-value of the solution is ---.
(Just type in the number)
(a)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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