Elements in a Matrix

What is the name of each entry of a matrix?

• Row

• Element

• Dimension

• Rectangle

In Matrix R (pictured) what is the value of element R_3,2

• 8

• 9.01

• 6

• 1

In Matrix R (pictured) what element is in the second row, third column?

• 8

• 9.01

• 6

• 1

What are the dimensions of this matrix?

• 2 x 3

• 3 x 2

• 6 x 1

• 1 x 6

What is the name of each individual number in a matrix?

• Row

• Element

• Dimension

• Rectangle

Which element is located in A₂₃?

• -3

• 5

• -9

• 2

A_{(1, 3)} refers to ....

• The element in the 1st row and 3rd column of matrix A.

• The element in the 1st column and 3rd row of matrix A.

• The first matrix multiplied by 3.

• Multiply the 1st row by 1 and 2nd row by 3 of matrix A.

Calculator Allowed

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Match the following to the given element in the matrix.

• 6

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• 4

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• 3

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• 5

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Click on the entry that is m_2,3.