Substitution and Elimination Methods for Systems of Equations
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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15 questions
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1.
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
2.
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
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the solution to the system of equations?
y = 3x - 8
y = 4 - x
(3,1)
(1,3)
(-3,1)
(3,-1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system by elimination.
−4x − 4y = 0
4x + 4y = 0
(−6, −4)
Infinite number of solutions
(−6, 10)
(6, 4)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 12 pts
Solve the system of equations.
y = 4x+1
3x + 2y = 13
(1, 5)
(5, 1)
(0.25, 2)
∅
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The solution to a system of equations is any ordered pair that makes both equations true.
TRUE
FALSE
Tags
CCSS.HSA.REI.C.9
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the solution to this system?
(-2, -2)
(2, -2)
(-2,2)
(2, 2)
Tags
CCSS.8.EE.C.8B
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