Matrices
12th grade (Year 13 in England) Β· 16 questions Β· Common Core: HSN.VM.C.8, HSN.VM.C.10, HSN.VM.C.12
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Score/ 16
Question 1
A = [[2, 5], [1, 0]] and B = [[3, β1], [3, 3]]. What is the top-left entry of AB?
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Question 2
Find the determinant of the matrix [[8, β6], [1, β5]].
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Question 3
A = [[β2, β1], [0, 1]] and B = [[4, β3], [β2, 2]]. What is the top-right entry of AB?
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Question 4
Find the determinant of the matrix [[β6, β4], [3, 9]].
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Question 5
A = [[5, β2], [β3, β3]] and B = [[β1, 2], [1, 3]]. What is the bottom-left entry of AB?
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Question 6
Find the determinant of the matrix [[β3, 3], [β6, 9]].
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Question 7
A = [[1, 1], [β4, β2]] and B = [[β1, 3], [1, 2]]. What is the bottom-right entry of AB?
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Question 8
Find the determinant of the matrix [[β6, 3], [β5, 4]].
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Question 9
A = [[1, β3], [β4, 5]] and B = [[β2, 5], [3, β3]]. What is the bottom-right entry of AB?
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Question 10
Find the determinant of the matrix [[β4, 9], [β4, 8]].
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Question 11
A = [[2, 3], [β4, 1]] and B = [[β1, 2], [β1, 1]]. What is the top-left entry of AB?
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Question 12
Find the determinant of the matrix [[8, 6], [7, β3]].
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Question 13
A = [[4, 5], [4, 4]] and B = [[β4, β2], [2, 5]]. What is the top-left entry of AB?
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Question 14
Find the determinant of the matrix [[0, β5], [9, 7]].
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Question 15
A = [[4, 2], [β3, 4]] and B = [[β3, 0], [3, 1]]. What is the bottom-right entry of AB?
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Question 16
Find the determinant of the matrix [[β1, β5], [7, β4]].
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