Adding & Subtracting Matrices

Front

What comes first in the order of matrix dimensions?

Back

Row

Front

In a matrix, what is the element located in the second row, third column?

Back

The element is 6.

Front

Calculate A - B for the matrices A = [[1, 2], [3, 4]] and B = [[4, 1], [2, 5]].

Back

A - B = [[-3, 1], [1, -1]]

Tags

CCSS.HSN.VM.C.8

Front

What are the dimensions of a matrix?

Back

Dimensions refer to the number of rows and columns in a matrix.

Front

How many columns are in a 5 x 4 matrix?

Back

There are 4 columns.

Front

What is the result of adding two matrices of the same dimensions?

Back

The result is a new matrix where each element is the sum of the corresponding elements.

Tags

CCSS.HSN.VM.C.8

Front

Can you subtract two matrices of different dimensions?

Back

No, subtraction is only possible if the matrices have the same dimensions.

Tags

CCSS.HSN.VM.C.8

Front

What is the term for the horizontal arrangement of elements in a matrix?

Back

Row.

Front

What is the term for the vertical arrangement of elements in a matrix?

Back

Column.

Front

If matrix A has dimensions 3 x 2, how many elements does it contain?

Back

It contains 6 elements.