System of Linear Equations Using Matrix on Calculator
Authored by Anthony Clark
Mathematics
12th Grade
CCSS covered
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18 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which matrix represents 3x + 8y =57, 5x + 4y = 39?
Tags
CCSS.HSA.REI.C.8
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which linear system does this represent?
4x -2y = 20, -5x - 5y = -10
4x -2y = 20, -5x - 5y = 10
4x - 5y = 20, -2x - 5y = -10
-2x + 4y = 20, -5x - 5y = -10
Tags
CCSS.HSA.REI.C.8
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A matrix derived from a system of linear equations is the _____ _____ of the system.
augmented matrix
constant matrix
linear matrix
coefficient matrix
Tags
CCSS.HSA.REI.C.8
4.
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
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Two linear equations with the same set of variables
system of equations
function
association
correlation
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system. Write the matrix equation on your own paper.
5x + 8y = -12
3x + 5y = -7
(1, -10)
No solution
(-4, 1)
(1, 10)
Tags
CCSS.HSA.REI.C.9
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve:
-4x - 5y - z = 18
-2x - 5y - 2z = 12
-2x + 5y + 2z = 4
(4, 0, -2)
(-4, 0, -2)
Many Solutions
I did not get any of the answers above so I am assuming none of the above.
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