Determinants Answers
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Which expression represents the determinant of ?
A
det(A) = (2)(9) – (1)(3)B
det(A) = (2)(9) + (1)(3)C
det(A) = (2)(3) – (1)(9)D
det(A) = (2)(3) + (1)(9)2
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What is the determinant of ?
A
–14B
–3C
8D
113
Given the system , which is true?
A
The system has no solutions.B
The system has exactly one solution.C
The system has exactly three solutions.D
The system has an infinite number of solutions.4
What is the determinant of the coefficient matrix of the system ?
A
0B
3C
6D
75
What is the determinant of ?
A
–18B
–8C
10D
186
What is the area of a parallelogram formed by = and = ?
A
2 square unitsB
6 square unitsC
16 square unitsD
20 square units7
What is the determinant of an identity matrix?
A
–10B
–1C
0D
18
Which expression represents the determinant of ?
A
det(A) = (–3)(–6) – (1)(6)B
det(A) = (–3)(–6) + (1)(6)C
det(A) = (1)(6) – (–3)(–6)D
det(A) = (–3)(–6) + (–1)(–6)9
What is the determinant of the coefficient matrix of the system ?
A
–1B
0C
3D
1810
What is the volume of the parallelepiped determined by the vectors a = , b = , and c = ?
A
4 cubic unitsB
20 cubic unitsC
24 cubic unitsD
56 cubic unitsDid you find these answers helpful?
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