Matrices

Question 1

matrix

Answer 1

• a rectangular arrangement of numbers into rows and columns

Question 2

augmented matrix

Answer 2

• each row represents one equation in the system and each column represents a variable or the constant terms

Question 3

dimension

Answer 3

• of a matrix tells its size

- give the number of rows and columns of the matrix in that order

Question 4

matrix element

Answer 4

• each number in a matrix

Question 5

zero matrix

Answer 5

• a matrix in which all of the entries are 000