Each entry in a matrix is called an Element.
Element of a set: Numbers, letters of the alphabet or any other object in a set are called elements of the set.
For example, the elements of the set {2, 7, 3} are 2, 3, and 7.
The elements of the matrix are 2, 5, - 4, and 3.
A. 4
B. 3
C. 2
D. - 4
Correct Answer: D
Step 1: The matrix has 2 rows and 3 columns.
Step 2: The element in the 2nd row, 2nd column of the matrix is - 4.