REF and RREF

Quiz
•
Mathematics
•
10th - 12th Grade
•
Medium
+3
Standards-aligned
Shannon Atkins
Used 101+ times
FREE Resource
Student preview

8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reduced Row Echelon Form is where ______________________
Zeroes in the first column of my matrix
Thel ast column has all zeroes
One's are in a diagonal pattern of my matrix with zeroes underneath the one's.before the augmented portion
One's are in a diagonal pattern of my matrix with zeroes above and below the ones before the augmented portion
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
This is an example of
Row Echelon Form
Reduced Row Echelon Form
Really Reduced Echelon Form
Really Really Easy Form
Tags
CCSS.HSA.REI.C.6
CCSS.HSA.REI.C.8
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
This is an example of a
System of Quadratic Equations
Reduced Row Echelon Form
Augmented Matrix
A Canine Doing a Backflip
Tags
CCSS.HSA.REI.C.8
CCSS.HSA.REI.C.9
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Using back-substitution, calculate the solution for the REF matrix.
(3, -6, 3)
(-6, -6, 3)
(6, -6, 3)
(-6, -6, 3)
Tags
CCSS.HSA.REI.C.6
CCSS.HSA.REI.C.8
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the value of z?
6
-6
-36
4
Tags
CCSS.HSA.REI.B.3
CCSS.HSA.REI.C.8
CCSS.HSA.REI.C.9
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is an appropriate first row command to solve this by Gaussian Elimination?
2R2 + R2 -> R2
-2R1 + R2 -> R2
R3 +R2 --> R3
2R1 + R2 --> R2
Tags
CCSS.HSA.REI.A.1
CCSS.HSA.REI.C.6
CCSS.HSA.REI.C.8
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which row command is an appropriate next step?
7R2 + R3 -> R3
-7R1 + R3 -> R3
7R3 -> R3
-7R2 + R3 -> R3
Tags
CCSS.HSA.REI.C.6
CCSS.HSA.REI.C.8
8.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Tags
CCSS.HSA.REI.C.6
CCSS.HSA.REI.C.7
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