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Worksheets2x2 Determinants
Total questions: 10
Worksheet time: 42mins
Name
Class
Date
1.
Evaluate the determinant of the matrix.
a)
-21
b)
0
c)
9
d)
12
2.
Determine if the matrix has an inverse, if so find it.
a)
No
b)
0 1
-1 2
-1 2
c)
-1 3
1 -2
1 -2
d)
2 -1
-1 1
-1 1
3.
Determine if the matrix has an inverse, if so find it.
a)
No
b)
0 1
-1 2
-1 2
c)
-1 3
1 -2
1 -2
d)
2 -1
-1 1
-1 1
4.
Find the determinant of the above matrix.
a)
-23
b)
23
c)
-7
d)
7
5.
Evaluate the determinant of the given matrix.
a)
−24
b)
20
c)
Undefined
d)
30
6.
Evaluate the determinant of the given matrix.
a)
3
b)
−3
c)
4
d)
−4
7.
Evaluate each determinant
a)
12
b)
33
c)
−89
d)
−54
8.
Find the determinant of the matrix M.
a)
∣M∣=20
b)
∣M∣=15
c)
∣M∣=17
d)
∣M∣=−33
9.
Find the determinant of the matrix
a)
A
b)
B
c)
C
d)
D
10.
Solve for the determinant of the following matrix:
⌈12 −3⌉
⌊−6 15⌋
*detA= ad-bc
⌈12 −3⌉
⌊−6 15⌋
*detA= ad-bc
a)
198
b)
162
c)
-333
d)
-9
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