
Determinan dan Invers Matriks
Authored by Filipus Saputra
Mathematics
9th - 12th Grade
Used 4+ times

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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Semua matriks mempunyai determinan.
Benar
Salah
Answer explanation
Determinan hanya ada pada matriks persegi. Pernyataan 'Semua matriks mempunyai determinan' adalah salah karena matriks non-persegi tidak memiliki determinan.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dua matriks dikatakan saling invers jika AB=BA=I
Benar
Salah
Answer explanation
Matriks dikatakan saling invers jika perkalian AB=BA=I. Pernyataan 'Benar' adalah jawaban yang tepat.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diketahui matriks A dan B tampak pada gambar. Kedua matriks tersebut saling invers.
Benar
Salah
Answer explanation
Matriks A dan B tidak saling invers karena jika matriks A dikalikan matriks B tidak menghasilakan matriks identitas.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Determinan matriks A adalah or-pq.
Benar
Salah
Answer explanation
Jawaban yang benar adalah 'Benar' karena determinan matriks A adalah or-pq.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Matriks yang tidak memiliki invers disebut matriks tak singular.
Benar
Salah
Answer explanation
Matriks yang tidak memiliki invers memiliki determinan sama dengan 0. Matriks yang memiliki determinan sama dengan 0 disebut matriks singular.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gambar berikut ada cara untuk menentukan invers matriks ordo 2x2 maupun 3x3
Benar
Salah
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Minor adalah determinan yang tertinggal dari suatu matriks persegi jika elemen-elemen dari baris ke-i dan kolom ke-j dihilangkan.
Benar
Salah
Answer explanation
Minor adalah determinan yang tertinggal setelah menghilangkan elemen-elemen dari baris ke-i dan kolom ke-j. Pernyataan ini benar.
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