Page 5 - Modul A+1 Matematik Tingkatan 5

1. Nyatakan peringkat bagi setiap matriks yang diberi dan padankan pasangan matriks yang boleh ditambah atau ditolak.
State the order of each of the given matrices and match the pair of matrices that can be added or subtracted. TP 1
Peringkat Matriks Matriks Peringkat
Order Matrix Matrix Order
1 × 2 [5 –3]  1 2 –3  2 × 3
6 –2 –3
BAB 2 3 × 1   [8 3] 1 × 2
2
1
7
3 7
–2 5
2 × 3  4 3 4    3 × 2
4 9
1 5 –4
–1 1
–6
   
3 × 2 6 0 1 3 × 1
–2 3 –3
2. Cari setiap hasil tambah yang berikut.
Find each of the following sums. TP 2

Contoh/Example 3 –8
–1 +
4
(a)    
3 –1
8
   –2 –6  6 –3
7 +
4
0
5 –4 1 3 3 + (–8) –5
=  –1 + 4   
=
3
1
7
 3 + (–2) –1 + 8    6 + (–3) 3
= 0 + 4 7 + (–6) = 4 1
5 + 1 –4 + 3 6 –1
7
4
+
(b)  1 4   0 6  (c)  –2 –4 1   –1 –5 2 
+
3
3 5
2 –3
3
5
0
7 + (–5) 1 + 2
4 + 6
1 + 0
–2 + 4





(b) ©PAN ASIA PUBLICATIONS
=
=

5 + (–1)
–4 + 3
3 + 0
2 + 3
–3 + 5
=  1 10  =  2 2 3 
2
5
4 –1 3
3. Ungkapkan setiap yang berikut sebagai satu matriks tunggal.
Express each of the following as a single matrix. TP 2
3
–6
Contoh/Example (a)    
–
4
1
 8 –3   –4 9  =  –6 – 3 
–
1
4
2
3
4 – 1
–9
=  8 – (–4) –3 – 9  =  
4 – 1
2 – 3
3
=  12 –12 
3
–1
8
4
2
3
    (c)  –1 –2 – 7 9
  
5
–5 – 4
3
–3 3 6 1 2 2
 2 – 8   –1 – 3 4 – 9 
= –5 – 4 = 3 – 7 –2 – 5
–3 – 3 6 – 2 1 – 2
–6
   –4 –5 
= –9 = –4 –7
–6 4 –1
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02 ModulA+ Matematik Tg5.indd 28 07/10/2021 10:00 AM