
Quiz Matriks dan Determinan
Authored by I Gusti Lanang Rai Subawa, S.Pd.
Mathematics
9th - 12th Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Diberikan matriks A = [[1, 2] [3, 4]] dan B = [[5, 6], [7, 8]]. Hitunglah A + B.
[[6, 8], [10, 12]]
[[4, 4], [10, 10]]
[[5, 5], [5, 5]]
[[8, 8], [16, 16]]
[[10, 12], [14, 16]]
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Diberikan matriks C = [[2, 0], [-1, 3]]. Tentukan hasil perkalian 2C.
[[4, 0], [-2, 6]]
[[2, 2], [-2, 6]]
[[2, 0], [-2, 3]]
[[4, 0], [1, 3]]
[[0, 0], [-1, 3]]
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Jika D = [[1, 2], [3, 4]], maka nilai determinan dari matriks D adalah...
10
-2
2
-10
0
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Diberikan matriks E = [[0, 1], [-1, 0]]. Apakah E adalah matriks inversibel?
Ya, karena determinannya 1
Tidak, karena determinannya 0
Ya, karena matriksnya simetris
Tidak, karena tidak memenuhi syarat matriks invers
Ya, karena determinannya -1
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Diberikan matriks F = [[3, 2], [1, 4]]. Tentukan elemen pada posisi F21.
3
2
1
4
0
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Diberikan matriks G = [[5, -2], [3, 1]]. Hitunglah G^-1 (invers dari G).
[[1/11, 2/11], [-3/11, 5/11]]
[[1/7, 2/7], [-3/7, 5/7]]
[[-1/11, 2/11], [3/11, 5/11]]
[[1/5, 2/5], [-3/5, 5/5]]
Tidak ada, karena matriks tidak memiliki invers
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Diberikan matriks identitas I = [[1, 0], [0, 1]]. Hasil perkalian I x A untuk sembarang matriks A adalah...
0
Matriks A sendiri
Matriks identitas
Matriks nol
Matriks transpos dari A
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