Matrices - Recap

Matrices - Recap

Quiz Tomorrow

• Multiplying Matrices

• Matrix Equations

• Determinants

Poll

How was your Wednesday?

Multiplying Matrices

Multiple Choice

Find the product of the two matrices.

• 17 12

  25 18

• 17 12

  12 6

• 17 12

  7 5

• 17 12

  10 12

Multiple Choice

Find the product of the two matrices.

• undefined
• -3   16

  17   12

  8   -10

• -3   16

    17  12

  -1   -3

Determinants

Multiple Choice

Find the determinant of the following matrix.

• -12

• -10

• 12

• 10

Multiple Choice

Find the determinant of the following matrix.

• -7

• 7

• -23

• 23

Multiple Choice

Find the determinant of the following matrix.

• 8

• -8

• 18

• -18

Poll

One gotta go

Multiple Choice

Solve for matrix Y.

• -4    9
  -11    9
• 4   -8
  11   8
• 4   -9
  11   9
• -4   9
  11   -9

Multiple Choice

Solve for matrix Z.

• A
• B
• C
• D