
Matrices Solving Equations
Authored by Anthony Clark
Mathematics
11th Grade
CCSS covered

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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve using inverse equations.
A
B
C
D
Tags
CCSS.HSA.REI.C.9
2.
OPEN ENDED QUESTION
1 min • 5 pts
Solve the system by inverting the coefficient matrix and using (A^-1)(x)=b. Enter your answer as (x1, x2) format.
Evaluate responses using AI:
OFF
Tags
CCSS.HSA.REI.C.9
3.
OPEN ENDED QUESTION
1 min • 5 pts
Solve the system by inverting the coefficient matrix and using (A^-1)(x)=b. Type your answer in (x1, x2, x3) format.
Evaluate responses using AI:
OFF
Tags
CCSS.HSA.REI.C.9
4.
OPEN ENDED QUESTION
1 min • 5 pts
Solve the linear systems together by using the values of b for two separate systems, then reducing an appropriate augmented matrix to reduced row echelon form. Write your answer as (x1, x2), (x1, x2) form.
Evaluate responses using AI:
OFF
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
OPEN ENDED QUESTION
1 min • 5 pts
Solve the linear systems together by using the values of b for two separate systems, then reducing an appropriate augmented matrix to reduced row echelon form. Write your answer as i(b1, b2), ii(b1, b2), iii(b1, b2), iv(b1, b2) form.
Evaluate responses using AI:
OFF
Tags
CCSS.8.EE.C.8B
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Is the following matrix elementary?
yes, it's elementary
no, it's not elementary
can't be determined
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
For the following elementary matrix, describe the elementary row operation.
The second and first row were switched
The first row was multiplied by 1/2 and added to the second
The second row as multiplied by 1/2
The last row was multiplied by 1/2 and added to the second
Tags
CCSS.HSA.REI.C.9
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