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= 
33
45
 
B= 
1-3
32
 
Find the matric         C = 2A + B

C =


 


Answer:_______________




2)  

If

A= 
24
25
 
B= 
2-4
53
 
Find the matric         C = 2A + B

C =


 


Answer:_______________




3)  

If

A= 
56
42
 
B= 
4-3
24
 
Find the matric         C = 2A + B

C =


 


Answer:_______________




4)  

If

A= 
23
33
 
B= 
2-2
34
 
Find the matric         C = 2A + B

C =


 


Answer:_______________




5)  

If

A= 
54
24
 
B= 
4-4
22
 
Find the matric         C = 2A + B

C =


 


Answer:_______________




6)  

If

A= 
23
43
 
B= 
4-2
22
 
Find the matric         C = 2A + B

C =


 


Answer:_______________




7)  

If

A= 
13
33
 
B= 
4-4
35
 
Find the matric         C = 2A + B

C =


 


Answer:_______________




8)  

If

A= 
23
45
 
B= 
2-4
24
 
Find the matric         C = 2A + B

C =


 


Answer:_______________




9)  

If

A= 
34
34
 
B= 
2-1
53
 
Find the matric         C = 2A + B

C =


 


Answer:_______________




10)  

If

A= 
16
22
 
B= 
1-4
52
 
Find the matric         C = 2A + B

C =


 


Answer:_______________




 

1)  

If

A= 
33
45
 
B= 
1-3
32
 
Find the matric         C = 2A + B

C =


 
Answer: 7 Answer: 3
Answer: 11 Answer: 12


SOLUTION 1 :

 

 
A
 
=  
33
45
 
B =  
1 -3
3 2
 

=  

2A = 2 
33
45
 
= 
66
810
 

C = 2A + B

C = 
66
810
 
+ 
1-3
32
 
= 
73
1112
 

C = 

 
73
1112
 

 



2)  

If

A= 
24
25
 
B= 
2-4
53
 
Find the matric         C = 2A + B

C =


 
Answer: 6 Answer: 4
Answer: 9 Answer: 13


SOLUTION 1 :

 

 
A
 
=  
24
25
 
B =  
2 -4
5 3
 

=  

2A = 2 
24
25
 
= 
48
410
 

C = 2A + B

C = 
48
410
 
+ 
2-4
53
 
= 
64
913
 

C = 

 
64
913
 

 



3)  

If

A= 
56
42
 
B= 
4-3
24
 
Find the matric         C = 2A + B

C =


 
Answer: 14 Answer: 9
Answer: 10 Answer: 8


SOLUTION 1 :

 

 
A
 
=  
56
42
 
B =  
4 -3
2 4
 

=  

2A = 2 
56
42
 
= 
1012
84
 

C = 2A + B

C = 
1012
84
 
+ 
4-3
24
 
= 
149
108
 

C = 

 
149
108
 

 



4)  

If

A= 
23
33
 
B= 
2-2
34
 
Find the matric         C = 2A + B

C =


 
Answer: 6 Answer: 4
Answer: 9 Answer: 10


SOLUTION 1 :

 

 
A
 
=  
23
33
 
B =  
2 -2
3 4
 

=  

2A = 2 
23
33
 
= 
46
66
 

C = 2A + B

C = 
46
66
 
+ 
2-2
34
 
= 
64
910
 

C = 

 
64
910
 

 



5)  

If

A= 
54
24
 
B= 
4-4
22
 
Find the matric         C = 2A + B

C =


 
Answer: 14 Answer: 4
Answer: 6 Answer: 10


SOLUTION 1 :

 

 
A
 
=  
54
24
 
B =  
4 -4
2 2
 

=  

2A = 2 
54
24
 
= 
108
48
 

C = 2A + B

C = 
108
48
 
+ 
4-4
22
 
= 
144
610
 

C = 

 
144
610
 

 



6)  

If

A= 
23
43
 
B= 
4-2
22
 
Find the matric         C = 2A + B

C =


 
Answer: 8 Answer: 4
Answer: 10 Answer: 8


SOLUTION 1 :

 

 
A
 
=  
23
43
 
B =  
4 -2
2 2
 

=  

2A = 2 
23
43
 
= 
46
86
 

C = 2A + B

C = 
46
86
 
+ 
4-2
22
 
= 
84
108
 

C = 

 
84
108
 

 



7)  

If

A= 
13
33
 
B= 
4-4
35
 
Find the matric         C = 2A + B

C =


 
Answer: 6 Answer: 2
Answer: 9 Answer: 11


SOLUTION 1 :

 

 
A
 
=  
13
33
 
B =  
4 -4
3 5
 

=  

2A = 2 
13
33
 
= 
26
66
 

C = 2A + B

C = 
26
66
 
+ 
4-4
35
 
= 
62
911
 

C = 

 
62
911
 

 



8)  

If

A= 
23
45
 
B= 
2-4
24
 
Find the matric         C = 2A + B

C =


 
Answer: 6 Answer: 2
Answer: 10 Answer: 14


SOLUTION 1 :

 

 
A
 
=  
23
45
 
B =  
2 -4
2 4
 

=  

2A = 2 
23
45
 
= 
46
810
 

C = 2A + B

C = 
46
810
 
+ 
2-4
24
 
= 
62
1014
 

C = 

 
62
1014
 

 



9)  

If

A= 
34
34
 
B= 
2-1
53
 
Find the matric         C = 2A + B

C =


 
Answer: 8 Answer: 7
Answer: 11 Answer: 11


SOLUTION 1 :

 

 
A
 
=  
34
34
 
B =  
2 -1
5 3
 

=  

2A = 2 
34
34
 
= 
68
68
 

C = 2A + B

C = 
68
68
 
+ 
2-1
53
 
= 
87
1111
 

C = 

 
87
1111
 

 



10)  

If

A= 
16
22
 
B= 
1-4
52
 
Find the matric         C = 2A + B

C =


 
Answer: 3 Answer: 8
Answer: 9 Answer: 6


SOLUTION 1 :

 

 
A
 
=  
16
22
 
B =  
1 -4
5 2
 

=  

2A = 2 
16
22
 
= 
212
44
 

C = 2A + B

C = 
212
44
 
+ 
1-4
52
 
= 
38
96
 

C = 

 
38
96