Matricies - IA

Name the order of this matrix.

• 3x1

• 1x3

• 3

• 1

What are the dimensions of this matrix?

• 2 x 3

• 3 x 2

• 6 x 1

• 1 x 6

How is the entry of a matrix identified?

• Row x Column

• Column x Row

• Row only

• Column only

How many rows are in a 7 x 3 matrix?

• 7

• 3

• 21

• 10

How many columns are in a 5 x 4 matrix?

• 5

• 4

• 20

• 9

When an element is missing in an equation, what value must go into the matrix for it?

• 1

• -1

• 0

• NA

This is an example of a

• System of Quadratic Equations

• Reduced Row Echelon Form

• Augmented Matrix

• A Canine Doing a Backflip

Name the dimensions:

• 6x2

• 2x6

• 12

• 36

 $R_1$  stands for

• Row 1

• Row

• Reflection

• 1

3R₂ stands for

• 3 times Row 2

• There are 3 row 2s

• 3

• Row 2