Matrices Review

Front

What comes first in the order of a matrix?

Back

Row

Front

What is the name of each entry of a matrix?

Back

Element

Front

Multiply the following matrices: 20 15 -10 30 -5 0 -20 15 -10 30 -5 0

Back

-20 15 -10 30 -5 0

Front

Find A-B where A = -3 1 7 -1 and B = 1 0 1 -4

Back

-4 0 6 -1

Front

Multiply the following matrices: 5 -25 25 -5 -10 -10 -6 10

Back

25 25 5

Front

What is the dimension of a matrix with 3 rows and 4 columns?

Back

3 x 4

Front

What is the identity matrix of size 2?

Back

1 0 0 1

Front

What is the determinant of a 2x2 matrix A = a b c d?

Back

ad - bc

Front

What is the transpose of a matrix?

Back

A matrix obtained by swapping rows and columns.

Front

What is a zero matrix?

Back

A matrix in which all entries are zero.