Solving Systems Using Matrices

Quiz
•
Mathematics
•
12th Grade
•
Hard
Standards-aligned
Anthony Clark
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2x + 5y + z = -12
-x + 4y + 3z = -4
5x - 2z = -13
x = 3, y = 1, z = 1
No solution
Infinitely many solutions
x = -3, y = -1, z = -1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve, if possible:
3x + 2y - 3z = 13
4z + 4x = 12
-2x - y + z = 8
x = 3, y = 1, z = 1
No solution
Infinitely many solutions
x = -3, y = -1, z = -1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve, if possible:
-2x - 4y + 4z = 14
4x + 2y + 4z = -4
x + 2z = -2
x = 3, y = 1, z = 1
No solution
Infinitely many solutions
x = -3, y = -1, z = -1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Write the augmented matrix that corresponds to the system
A
B
C
D
Tags
CCSS.HSA.REI.C.8
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is the correct representation for the system of equations?
A
B
C
D
Tags
CCSS.HSA.REI.C.8
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Write the following system of equations as an augmented matrix.
Tags
CCSS.HSA.REI.C.8
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jeffrey wrote a matrix to represent his system of equations. What was his mistake
The z's are not aligned correctly
There should be a one in the top row for zero
There should be a zero in the second column of the third representing the y
Nothing. This is correct.
Tags
CCSS.HSA.REI.C.8
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