# Lesson Worksheet: Operations with Matrices Mathematics

In this worksheet, we will practice adding and subtracting matrices and multiplying them by a constant, which is called scalar multiplication of a matrix.

Q1:

Given that what are and ?

• A,
• B,
• C,
• D,

Q2:

Consider the matrix Suppose the sum of matrices and is Find the matrix .

• A
• B
• C
• D
• E

Q3:

Find .

• A
• B
• C
• D
• E

Q4:

Given that what is the matrix ?

• A
• B
• C
• D

Q5:

Evaluate

• A
• B
• C
• D
• E

Q6:

Solve for matrix in the matrix equation , where and are

• A
• B
• C
• D
• E

Q7:

Suppose the sum exists. We also know that has 2 rows and has 3 columns. What can we say about matrix ?

• A is a matrix.
• B is a matrix.
• C is a matrix.
• D is a matrix.
• E is a matrix.

Q8:

Find .

• A
• B
• C
• D

Q9:

Given that both and have the order , determine the order of the matrix .

• A
• B
• C
• D

Q10:

If the matrix is added to a zero matrix of the same size, is the result equal to matrix ?

• AYes
• BNo