Question

a rectangle a ray of numbers enclosed by a bracket is​

Answer 1

Answer:

A matrix is a rectangular array of numbers enclosed by brackets.

Hope it helps you

mark me as brainliest

Answer 2

Answer:

A matrix is a rectangular array of numbers enclosed by brackets. (The plural of matrix is matrices. )

⎡⎣⎢13724−1⎤⎦⎥[6−2−1]⎡⎣⎢−5310⎤⎦⎥[13−1−9] are all examples of matrices.

The numbers in a matrix are called the elements (or entries) of the matrix. The number of rows (horizontal) and the number of columns (vertical)