Unit 9 Test Matrices

Front

Back

Front

Back

Front

What do m, n, p and q equal in this scalar matrix multiplication?

Back

m=15, n=-45, p=20, q=-5.

Front

Back

Front

Can the operation be performed?

Back

No.

Front

Define a matrix.

Back

A matrix is a rectangular array of numbers arranged in rows and columns.

Front

What is a scalar in matrix operations?

Back

A scalar is a single number that can multiply a matrix, affecting each element of the matrix.

Front

Explain the process of finding the determinant of a 2x2 matrix.

Back

Front

What is matrix multiplication?

Back

Matrix multiplication involves multiplying rows of the first matrix by columns of the second matrix.

Front

What is the identity matrix?

Back

The identity matrix is a square matrix with ones on the diagonal and zeros elsewhere.