Test Review of Matrix

If two matrices have same order then these can be-

• Added

• Subtracted

• Multiplied

• All of the options

What is the name of each entry of a matrix?

• Row

• Element

• Dimension

• Rectangle

Perform the indicated operation

• 
• 
• 
• 
• not possible

How would a scalar multiplication be carried out for a matrix?

• Add the Scalar to every element in the matrix

• Dot product the rows of one matrix with the columns of the other matrix

• Multiply every element with the scalar to create a new matrix

• subtract the elements in the first matrix from the elements of the second matrix

Write the dimensions of the matrix

• 4 X 3

• 4 X 2

• 3 X 4

• 4 X 4

Identify the Matrix Element A 3,4

• 0

• 1

• 8

• 4

Simplify: 2A to create B ... Once you created matrix B, what is the B 2,3

• 14

• -4

• -8

• 0

Can these two matrices be multiplied

• Yes

• No

Write the dimensions of the matrix

• 4 X 4

• 4 x 5

• 5 x 4

• N/A

Can these two matrices be multiplied?

• Yes

• No