Test Review of Matrix
Authored by Anthony Clark
Mathematics
11th Grade
CCSS covered
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What must be true in order to ADD two matrices?
They must be square.
The dimensions must be equal.
The determinant can't equal 0.
The column of the 1st must equal the row of the 2nd.
Tags
CCSS.HSN.VM.C.8
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If the matrices can be multiplied, what dimension is the product? If not, write undefined.
undefined
( 3 x 1 )
( 1 x 2 )
( 3 x 2 )
Tags
CCSS.HSN.VM.C.11
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following must be true for a matrix to be invertible? Choose all that apply.
The matrix must be square.
The determinant must be zero.
The determinant must not be zero.
The matrix cannot have any negative entries.
Tags
CCSS.HSA.REI.C.9
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Evaluate the determinant of the matrix.
-21
0
9
12
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the values of x, y and z.
w = 13, x = 4, y = 7, z = 23
w = 13, x = -4, y = 11, z = 23
w = 13, x = 4, y = 11, z = 23
w = 13, x = 4, y = 11, z = 17
Tags
CCSS.HSA.REI.C.9
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What do w, x, y and z equal in this matrix subtraction?
w = 13, x = 4, y = 7, z = 23
w = 13, x = -4, y = 11, z = 23
w = 13, x = 4, y = 11, z = 23
w = 13, x = 4, y = 11, z = 17
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A
B
C
D
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