Solving Linear Systems with Elimination Techniques
Interactive Video
•
Mathematics
•
6th - 10th Grade
•
Practice Problem
•
Medium
Standards-aligned
Jackson Turner
Used 4+ times
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 the elimination method?
Decide which coefficients to cancel out
Make sure all variables are lined up
Substitute the solution back into the other equation
Add the two equations
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following pairs are considered opposites in the elimination method?
2 and -2
5 and 5
3 and 3
1 and 1
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the first example, what do you get when you add 3x and 5x?
6x
8x
7x
9x
Tags
CCSS.7.EE.A.1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
After finding x = 2 in the first example, which equation is used to find y?
The equation with no negatives
Any of the original equations
The equation with the highest coefficient
The equation with the lowest constant
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the second example, which variable is chosen to cancel out?
Neither x nor y
Both x and y
y
x
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the solution to the second example problem?
(0, 0)
(0, 6)
(6, 6)
(6, 0)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the third example, what is done to make the y's cancel out?
Subtract the equations
Multiply one equation by -1
Divide one equation by 2
Add the equations directly
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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