Substitution or Elimination Method
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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11 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system of equations using substitution
y = -6
-3x - 6y = 24
(6, 6)
(6, -6)
(4, -6)
(-6, 4)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What would be the first step in finding the solution using elimination?
you cannot solve this using elimination
cross out the 2x and 3x
Add the like terms. The y terms will cancel out.
change to slope intercept form and graph
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve this system by substitution.
(1, -4)
(1, 4)
(-4, -7)
(-7, -4)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Identify which method for solving systems is being described by this fact:
If one equation is isolated like y = 2x or x = 7 - 4y then this method should be used.
Graphing
Substitution
Elimination (linear combination)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Identify which method for solving systems is being described by this fact: Equations must have like terms "stacked" up vertically, usually written in standard form.
Graphing
Substitution
Elimination (linear combination)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When solving the system, if you get a result of something like 6 = 6 or -2 = -2 and the answer is:
No Solution
Infinitely Many Solutions
Not possible
Tags
CCSS.8.EE.C.8B
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When using any of the 3 methods to solve a system of linear equations the resulting solution is the same no matter which method is used.
True; using any method will result in the correct solution.
False; the solution varies because the solution depends on which method is used.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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