Scroll:matrices >> Solve an equation >> ps (4140)


Written Instructions:

For each Multiple Choice Question (MCQ), four options are given. One of them is the correct answer. Make your choice (1,2,3 or 4). Write your answers in the brackets provided..

For each Short Answer Question(SAQ) and Long Answer Question(LAQ), write your answers in the blanks provided.

Leave your answers in the simplest form or correct to two decimal places.



 

1)  

If

A= 
55
33
 
B= 
3-3
34
 
Find the matric         C = 2A + B

C =


 


Answer:_______________




2)  

If

A= 
26
34
 
B= 
2-2
32
 
Find the matric         C = 2A + B

C =


 


Answer:_______________




3)  

If

A= 
65
43
 
B= 
2-2
51
 
Find the matric         C = 2A + B

C =


 


Answer:_______________




4)  

If

A= 
23
22
 
B= 
1-4
21
 
Find the matric         C = 2A + B

C =


 


Answer:_______________




5)  

If

A= 
66
21
 
B= 
3-4
54
 
Find the matric         C = 2A + B

C =


 


Answer:_______________




6)  

If

A= 
33
41
 
B= 
3-1
44
 
Find the matric         C = 2A + B

C =


 


Answer:_______________




7)  

If

A= 
36
22
 
B= 
4-1
33
 
Find the matric         C = 2A + B

C =


 


Answer:_______________




8)  

If

A= 
34
24
 
B= 
3-3
32
 
Find the matric         C = 2A + B

C =


 


Answer:_______________




9)  

If

A= 
36
44
 
B= 
4-1
42
 
Find the matric         C = 2A + B

C =


 


Answer:_______________




10)  

If

A= 
33
21
 
B= 
1-4
55
 
Find the matric         C = 2A + B

C =


 


Answer:_______________




 

1)  

If

A= 
55
33
 
B= 
3-3
34
 
Find the matric         C = 2A + B

C =


 
Answer: 13 Answer: 7
Answer: 9 Answer: 10


SOLUTION 1 :

 

 
A
 
=  
55
33
 
B =  
3 -3
3 4
 

=  

2A = 2 
55
33
 
= 
1010
66
 

C = 2A + B

C = 
1010
66
 
+ 
3-3
34
 
= 
137
910
 

C = 

 
137
910
 

 



2)  

If

A= 
26
34
 
B= 
2-2
32
 
Find the matric         C = 2A + B

C =


 
Answer: 6 Answer: 10
Answer: 9 Answer: 10


SOLUTION 1 :

 

 
A
 
=  
26
34
 
B =  
2 -2
3 2
 

=  

2A = 2 
26
34
 
= 
412
68
 

C = 2A + B

C = 
412
68
 
+ 
2-2
32
 
= 
610
910
 

C = 

 
610
910
 

 



3)  

If

A= 
65
43
 
B= 
2-2
51
 
Find the matric         C = 2A + B

C =


 
Answer: 14 Answer: 8
Answer: 13 Answer: 7


SOLUTION 1 :

 

 
A
 
=  
65
43
 
B =  
2 -2
5 1
 

=  

2A = 2 
65
43
 
= 
1210
86
 

C = 2A + B

C = 
1210
86
 
+ 
2-2
51
 
= 
148
137
 

C = 

 
148
137
 

 



4)  

If

A= 
23
22
 
B= 
1-4
21
 
Find the matric         C = 2A + B

C =


 
Answer: 5 Answer: 2
Answer: 6 Answer: 5


SOLUTION 1 :

 

 
A
 
=  
23
22
 
B =  
1 -4
2 1
 

=  

2A = 2 
23
22
 
= 
46
44
 

C = 2A + B

C = 
46
44
 
+ 
1-4
21
 
= 
52
65
 

C = 

 
52
65
 

 



5)  

If

A= 
66
21
 
B= 
3-4
54
 
Find the matric         C = 2A + B

C =


 
Answer: 15 Answer: 8
Answer: 9 Answer: 6


SOLUTION 1 :

 

 
A
 
=  
66
21
 
B =  
3 -4
5 4
 

=  

2A = 2 
66
21
 
= 
1212
42
 

C = 2A + B

C = 
1212
42
 
+ 
3-4
54
 
= 
158
96
 

C = 

 
158
96
 

 



6)  

If

A= 
33
41
 
B= 
3-1
44
 
Find the matric         C = 2A + B

C =


 
Answer: 9 Answer: 5
Answer: 12 Answer: 6


SOLUTION 1 :

 

 
A
 
=  
33
41
 
B =  
3 -1
4 4
 

=  

2A = 2 
33
41
 
= 
66
82
 

C = 2A + B

C = 
66
82
 
+ 
3-1
44
 
= 
95
126
 

C = 

 
95
126
 

 



7)  

If

A= 
36
22
 
B= 
4-1
33
 
Find the matric         C = 2A + B

C =


 
Answer: 10 Answer: 11
Answer: 7 Answer: 7


SOLUTION 1 :

 

 
A
 
=  
36
22
 
B =  
4 -1
3 3
 

=  

2A = 2 
36
22
 
= 
612
44
 

C = 2A + B

C = 
612
44
 
+ 
4-1
33
 
= 
1011
77
 

C = 

 
1011
77
 

 



8)  

If

A= 
34
24
 
B= 
3-3
32
 
Find the matric         C = 2A + B

C =


 
Answer: 9 Answer: 5
Answer: 7 Answer: 10


SOLUTION 1 :

 

 
A
 
=  
34
24
 
B =  
3 -3
3 2
 

=  

2A = 2 
34
24
 
= 
68
48
 

C = 2A + B

C = 
68
48
 
+ 
3-3
32
 
= 
95
710
 

C = 

 
95
710
 

 



9)  

If

A= 
36
44
 
B= 
4-1
42
 
Find the matric         C = 2A + B

C =


 
Answer: 10 Answer: 11
Answer: 12 Answer: 10


SOLUTION 1 :

 

 
A
 
=  
36
44
 
B =  
4 -1
4 2
 

=  

2A = 2 
36
44
 
= 
612
88
 

C = 2A + B

C = 
612
88
 
+ 
4-1
42
 
= 
1011
1210
 

C = 

 
1011
1210
 

 



10)  

If

A= 
33
21
 
B= 
1-4
55
 
Find the matric         C = 2A + B

C =


 
Answer: 7 Answer: 2
Answer: 9 Answer: 7


SOLUTION 1 :

 

 
A
 
=  
33
21
 
B =  
1 -4
5 5
 

=  

2A = 2 
33
21
 
= 
66
42
 

C = 2A + B

C = 
66
42
 
+ 
1-4
55
 
= 
72
97
 

C = 

 
72
97