
Solving Systems of Equations

Interactive Video
•
Mathematics
•
9th - 12th Grade
•
Hard
Standards-aligned

Emma Peterson
FREE Resource
Standards-aligned
Read more
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in solving a system of three equations using elimination?
Label the equations and eliminate one variable.
Solve for one variable directly.
Graph the equations.
Substitute values into the equations.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When eliminating a variable, what should be done to the coefficients of the variable in the two equations?
Make them equal.
Make them opposites.
Make them zero.
Make them positive.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
After eliminating the Z variable from two pairs of equations, what is the next step?
Substitute back into the original equations.
Graph the remaining equations.
Form two equations with two unknowns.
Solve for Z directly.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you solve the system of two equations with two unknowns?
By eliminating one of the variables.
By substituting one equation into the other.
By guessing the values.
By graphing the equations.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of X in the solution to the system?
20/57
1/4
9/20
57/20
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of Y in the solution to the system?
-9/20
9/20
57/20
1/4
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of Z in the solution to the system?
9/20
-9/20
57/20
1/4
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