Determinants Answers
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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)
3
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)4
What is the area of a triangle with vertices at (–2, –1), (4, –1), (6, 5)?
A
6 square unitsB
9 square unitsC
18 square unitsD
36 square units5
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.6
What is the determinant of ?
A
–74B
–51C
51D
69
9
What is the determinant of ?
A
15B
18C
154D
169
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