Understanding Matrices
Authored by Pushker fun)
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12th Grade
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the sum of the matrices A = [[1, 2], [3, 4]] and B = [[5, 6], [7, 8]]?
[[6, 10], [12, 14]]
[[1, 2], [3, 4]]
[[5, 6], [7, 8]]
[[6, 8], [10, 12]]
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calculate the determinant of the matrix C = [[2, 3], [1, 4]].
8
7
6
5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Find the inverse of the matrix D = [[4, 7], [2, 6]].
[[1, 0], [0, 1]]
[[2, 3], [1, 2]]
[[0.6, -0.7], [-0.2, 0.4]]
[[5, 1], [3, 4]]
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the order of the matrix E = [[1, 2, 3], [4, 5, 6]]?
1x3
3x2
2x3
2x2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explain one real-world application of matrices.
In organizing data in spreadsheets for calculations.
In computer graphics for transformations of images.
In creating music compositions using sound frequencies.
In solving linear equations for physics problems.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If F = [[1, 0], [0, 1]] is an identity matrix, what is F multiplied by any matrix G?
F
0
G
G multiplied by itself
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of adding the matrices H = [[2, 3], [4, 5]] and I = [[1, 1], [1, 1]]?
[[1, 2], [3, 4]]
[[2, 3], [4, 5]]
[[3, 4], [5, 6]]
[[0, 0], [0, 0]]
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