Latihan Matematika Matriks

1. Hitunglah hasil penjumlahan matriks A = [[1, 2], [3, 4]] dan B = [[5, 6], [7, 8]].

• [[5, 6], [7, 8]]

• [[1, 2], [3, 4]]

• [[6, 8], [9, 11]]

• [[6, 8], [10, 12]]

2. Jika C = [[9, 8], [7, 6]], berapakah hasil pengurangan matriks C - A?

• C - A = [[9-a, 8-b], [7-c, 6-d]]

• C - A = [[9, 8], [7, 6]]

• C - A = [[9-a, 8-b], [7-c, 6]]

• C - A = [[9+a, 8+b], [7+c, 6+d]]

3. Hitunglah hasil perkalian matriks D = [[1, 2], [3, 4]] dan E = [[5, 6], [7, 8]].

• [[10, 12], [30, 36]]

• [[19, 22], [43, 50]]

• [[15, 18], [35, 42]]

• [[20, 24], [44, 52]]

4. Transpos dari matriks F = [[1, 2, 3], [4, 5, 6]] adalah?

• [[4, 5, 6], [1, 2, 3]]

• [[1, 4], [2, 5], [3, 6]]

• [[1, 2, 3, 4], [5, 6]]

• [[1, 2], [3, 4], [5, 6]]

5. Jika G = [[2, 3], [4, 5]] dan H = [[1, 1], [1, 1]], berapakah G + H?

• [[2, 3], [4, 5]]

• [[5, 6], [7, 8]]

• [[3, 3], [4, 4]]

• [[3, 4], [5, 6]]

6. Hitunglah hasil dari matriks I = [[10, 20], [30, 40]] dikurangi J = [[5, 5], [5, 5]].

• [[10, 20], [30, 40]]

• [[5, 15], [25, 35]]

• [[0, 15], [25, 35]]

• [[5, 15], [25, 35]]

7. Jika K = [[1, 0], [0, 1]] dan L = [[2, 2], [2, 2]], berapakah K * L?

• [[1, 1], [1, 1]]

• [[0, 0], [0, 0]]

• [[4, 4], [4, 4]]

• [[2, 2], [2, 2]]

8. Transpos dari matriks M = [[7, 8], [9, 10]] adalah?

• [[7, 9], [8, 10]]

• [[10, 9], [8, 7]]

• [[8, 7], [10, 9]]

• [[9, 10], [7, 8]]

9. Hitunglah hasil penjumlahan matriks N = [[3, 3], [3, 3]] dan O = [[1, 1], [1, 1]].

• [[4, 4], [4, 4]]

• [[3, 4], [3, 4]]

• [[5, 5], [5, 5]]

• [[2, 2], [2, 2]]

10. Jika P = [[4, 5], [6, 7]] dan Q = [[1, 1], [1, 1]], berapakah P - Q?

• [[2, 3], [4, 5]]

• [[5, 6], [7, 8]]

• [[3, 4], [5, 6]]

• [[0, 0], [0, 0]]