Add, Subtract, Scalar and Multiplication of Matrices

When adding matrices, you add the corresponding elements in each matrix.

• True

• False

Tags

CCSS.HSN.VM.C.8

When subtracting matrices, you subtract the corresponding elements in each matrix.

• True

• False

Tags

CCSS.HSN.VM.C.8

Fill in the blank.

When multiplying matrices, you first multiply the elements of a ___________ in the first matrix by the elements of each ___________ in the second matrix, then you ___________ the products in each row.

• column; row; subtract

• column; row; add

• row; column; add

• row; column; subtract

Tags

CCSS.HSN.VM.C.8

Suppose A and B are 2 x 1 matrices. Which of the following are the dimensions of the matrix A + B?

• 2x1

• 3x1

• 2x2

• 3x3

Tags

CCSS.HSN.VM.C.8

Suppose S and T are 3 x 2 matrices. Which of the following are the dimensions of the matrix S - T?

• 3x3

• 2x3

• 2x2

• 3x2

Tags

CCSS.HSN.VM.C.8

Identify the given matrix element.

• 6

• 9

• -6

• -9

Tags

CCSS.HSN.VM.C.6

Identify the given matrix element.

• 0

• -5

• 2

• -1

Tags

CCSS.HSN.VM.C.6

CCSS.HSN.VM.C.8

Find the product.

• a

• b

• c

• d

Tags

CCSS.HSN.VM.C.8

CCSS.HSN.VM.C.9

Find the product.

• a

• b

• c

• d

Tags

CCSS.HSN.VM.C.8

• a

• b

• c

• d

Tags

CCSS.HSA.REI.C.8

CCSS.HSA.REI.C.9