3 Variable Systems
9th - 12th Grade
•6 Qs
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3 Variable Systems
Quiz
•
Mathematics
•
9th - 12th Grade
•
Medium
Standards-aligned
Sean Sacoman
Used 114+ times
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
How would you know a system has no solution?
You end up with 0=0 at some point.
The value of one of the variables is 0 (i.e. x=0, y=0, or z=0).
You end up with a false statement (e.g. 3=5) at some point.
You end up with fractions at some point.
Tags
CCSS.8.EE.C.8B
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Say you wanted to eliminate x from the system shown. How would you do it?
Add the equations without doing any multiplication.
Multiply the first equation by 2 and the second equation by 3, then add the equations.
Multiply the first equation by negative 2 and the second equation by 3, then add the equations.
Multiply the first equation by 3 and the second equation by negative 2, then add the equations.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE SELECT QUESTION
15 mins • 1 pt
Which of the following could be a correct first step in solving the system shown? Select all that apply.
Multiply the first equation by 2, then add the result to the third equation.
Multiply the second equation by 2, then add the result to the third equation.
Add the first and second equation.
Add the first and third equation.
Add the second and third equation.
Tags
CCSS.HSA.REI.C.5
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
True or false: (2,1,-1) is the solution to the system
True
False
Tags
CCSS.HSA.REI.C.6
5.
OPEN ENDED QUESTION
15 mins • 1 pt
Solve the system using elimination.
Evaluate responses using AI:
OFF
Tags
CCSS.HSA.REI.C.5
CCSS.HSA.REI.C.6
6.
OPEN ENDED QUESTION
15 mins • Ungraded
Solve the system using elimination.
Evaluate responses using AI:
OFF
Tags
CCSS.HSA.REI.C.5
CCSS.HSA.REI.C.6
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