Systems of Equations - Substitution and Elimination
Authored by Marc Williar
Mathematics
9th Grade
CCSS covered
Used 3+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
When solving the system of equations, which expression could be substituted for x in the second equation? x + 2y = 15
5x + y = 21
15 - 2y
21 - 5x
Tags
CCSS.MATH.CONTENT.HSA.REI.C.6
CCSS.MATH.CONTENT.HSA.CED.A.3
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
If x = 2y + 3 and 4x - 5y = 9, what is the value of y?
2
1
-1
-2
Tags
CCSS.MATH.CONTENT.HSA.REI.C.6
CCSS.MATH.CONTENT.HSA.CED.A.3
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
If x = 5y - 1 and 2x + 5y = -32, what is the value of y?
-2
2
1
-1
Tags
CCSS.MATH.CONTENT.HSA.REI.C.6
CCSS.MATH.CONTENT.HSA.CED.A.3
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Use substitution to solve the system x + 2y = 1 and 2x + 5y = 3.
(-1, 1)
(1, -1)
(-5, 3)
(-1, -1)
Tags
CCSS.MATH.CONTENT.HSA.REI.C.6
CCSS.MATH.CONTENT.HSA.CED.A.3
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Solve the system and find the value of y.
3x - 5y = -35
2x - 5y = -30
4
4/5
-4
-4/5
Tags
CCSS.MATH.CONTENT.HSA.REI.C.6
CCSS.MATH.CONTENT.HSA.CED.A.2
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Solve the system and find the value of y. 6x + 3y = 12 5x + 3y = 0
-20
-1 9/11
20
1 9/11
Tags
CCSS.MATH.CONTENT.HSA.REI.C.6
CCSS.MATH.CONTENT.HSA.CED.A.2
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Use elimination to solve the system x - 4y = 1 and x + 2y = 19 for x.
-11
3
25
13
Tags
CCSS.MATH.CONTENT.HSA.REI.C.6
CCSS.MATH.CONTENT.HSA.CED.A.2
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