Linear Equations with Substitution
Authored by Anthony Clark
Mathematics
8th Grade
CCSS covered
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16 questions
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1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Select all the methods you can use to solve a system of equations
Graphing
Elimination
Substitution
Using a Table
Desmos
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system of equations by substitution.
y = -4x + 5
y = 3x - 16
(-3, -25)
(3,-7)
(11, 17)
(21, 47)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system of equations using substitution:
-4x + 4y = 8
y = -2x - 10
(-4, -2)
(12, -34)
(4, -18)
(-2, -6)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
DROPDOWN QUESTION
1 min • 1 pt
Solve the system of linear equations by substitution.
5x + 2y = 9
x + y = -3
(a) (b)
y = -22
x = -3
x = 1
y = -4
x = 5
y = -8
x = -8
y = 4
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
DROPDOWN QUESTION
1 min • 1 pt
Find the value of (x, y) that satisfies the equations by solving the system using substitution.
5x + 4y= −14
y = −7x − 15 The solution is (a) .
(-2, -1)
(0, 0)
(1, 1)
(2, 2)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
DRAG AND DROP QUESTION
1 min • 1 pt
Solve the system of linear equations by substitution.
-5x + 3y = 51
y = 10x - 8
(a) (b)
y = -22
x = -3
x = 59/25
y = 15.6
x = 3
y = 22
x = -8
y = 4
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the solution to this system? Solve by substitution.
y= 4x + 3
2x - 3y = 21
(3,-9)
(-3,-9)
(-3,9)
(0,1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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