Substitution in Equations
Authored by Anthony Clark
Mathematics
8th Grade
CCSS covered
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When a = 2, calculate the value of 3a + 5
11
7
15
10
Tags
CCSS.6.EE.A.2C
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When a = 4, calculate the value of 2a - 7
1
-3
6
11
Tags
CCSS.6.EE.A.2C
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When a = 6, calculate the value of 4a + 3
36
27
24
15
Tags
CCSS.6.EE.A.2C
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When a = 1, calculate the value of 5a - 2
7
1
3
10
Tags
CCSS.6.EE.A.2C
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
10. Solve the following system of equations: 5x - 4y = 3 and 2x + 3y = 8
x = 4, y = 3
x = 2, y = 1
x = 3, y = 2
x = 1, y = 5
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Use SUBSTITUTION METHOD
5x + 3y = 7
y = 4
(4,1)
(4,-1)
(1,4)
(-1,4)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which choice shows substitution correctly?
3x - (-6x +3) = 10
3(-6x + 3) - y = 10
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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