
Systems Elimination Opposite Terms
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
To find the second variable, substitute the x or y you solved for into one of the ____.
original equations
one of the manipulated equations
the top equation, always
the bottom equation, always
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
REORDER QUESTION
1 min • 1 pt
Order the algorithm (steps) to elimination
Determine the variable to eliminate
add vertically
multiply equation(s) to have opposite coefficients, if necessary
Solve for variable
Align like terms vertically
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Identify which method for solving systems is being described by this fact: If like terms have a matching coefficient but not opposite values, take the opposite of every term in one equation.
Graphing
Substitution
Elimination (adding or multiplying)
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: Equations must have like terms "stacked" up vertically, usually written in standard form.
Graphing
Substitution
Elimination (adding or multiplying)
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: If like terms do not have a matching coefficient, multiplying one or both of the equations by a certain factor to transform the equations into a set of like terms with a matching set of coefficients.
Graphing
Substitution
Elimination (adding or multiplying)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Identify which method for solving systems is being described by this fact: When solving the system a false statement results like 0 = 6 or 4 = -1 and the answer is No Solutions.
Graphing
Substitution
Elimination (adding or multiplying)
All 3 methods
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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