
Understanding Reduced Row Echelon Form

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

Emma Peterson
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary goal when using an augmented matrix to solve a system of linear equations?
To determine the eigenvalues
To calculate the inverse of the matrix
To achieve reduced row echelon form
To find the determinant of the matrix
Tags
CCSS.HSA.REI.C.8
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the coefficients of the z terms in the given system of equations?
3, 0, -2
1, 2, 3
1, 1, 1
1, 3, 4
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What operation is performed to zero out the second row's first entry?
Divide the second row by 2
Multiply the second row by 2
Subtract the first row from the second row
Add the first row to the second row
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which entry is targeted to be zeroed out after establishing the first pivot entry?
The second entry of the second row
The third entry of the third row
The first entry of the third row
The first entry of the first row
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of multiplying the third row by -1?
0, 0, 1, -1
0, 0, -1, 1
0, 0, -1, -1
0, 0, 1, 1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final value of z in the reduced row echelon form?
5
-1
1
0
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of y in the solution to the system of equations?
1
-1
0
5
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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