12-11 Daily work

Front

What is the sum of A and B if A = 4 and B = 4?

Back

A + B = 8

Front

What is the name of each entry of a matrix?

Back

Element

Front

In matrix R, what is the value of element R_3,2?

Back

8

Front

What operation can be performed on two matrices of the same dimensions?

Back

Addition or Subtraction

Front

What does X equal in the matrix subtraction if the result is 4?

Back

4

Front

What is a matrix?

Back

A rectangular array of numbers arranged in rows and columns.

Front

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

Back

3 x 4

Front

How do you add two matrices?

Back

Add corresponding elements.

Front

What is the result of subtracting matrix B from matrix A?

Back

A - B = (A_ij - B_ij) for all i,j.

Front

What is a row in a matrix?

Back

A horizontal line of elements.