MATRICES

Is a rectangular array of numbers or letters consisting of m rows and n columns enclosed in a pair of curved or square brackets usually denoted by a capital letter

(a)  

Which of the following are types of matrices?

• Row Matrix

• Column Matrix

• Circle Matrix

• Square Matrix

Is a matrix consisting of only one row

• Column Matrix

• Diagonal Matrix

• Row Matrix

• Null Matrix

Is a matrix with one principle diagonal element is non-zero and all other elements are zero

• Row Matrix

• Identity Matrix

• Square Matrix

• Diagonal Matrix

Given two matrices A and B, which of the following is true?

• A+B=B+A

• A-B=B-A

• AB=BA

• A+O=O

What is the order of this matrix

•  $3\times4$  

•  $2\times4$  

•  $4\times2$  

•  $4\times3$  

• 
• 
• 
• 

• A

• B

• C

• D

• A

• B

• C

• D

• w=13,x=4,y=7,z=23

• w=13,x=-4,y=11,z=23

• w=13,x=4,y=11,z=23

• w=13,x=4,y=11,z=17