Test Review of Matrix

Find the inverse of the matrix

• A

• B

• C

• D

Find the determinant of the matrix

• A

• B

• C

• D

Solve for matrix Z.

• 2
  3

• -2
  -3

• 18
  3

• 8
  4

Find the product.

• undefined

• -3   16
  17   12
  8   -10

• 3   12 
  -15  -8
  -1   -3

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

Dimensions?

• a

• b

• c

• d

How many columns are in a 5 x 4 matrix?

• 5

• 4

• 20

• 9

Add

• 11    8
  -4     2

• 3     2
  -6    -6

• -3    2
  -4    -6

• 10    8
  -6    2

You can add a 2X3 matrix by which matrix?

• 2X2

• 2X12

• 3X12

• 2X3