Invertible

When you multiply a matrix by the inverse matrix, you obtain the

• inverse matrix.

• transpose matrix.

• Identity matrix

• original matrix.

• Yes, it is invertible.

• No, it is NOT invertible.

• Yes, it is invertible.

• No, it is NOT invertible.

• Yes, it is invertible.

• No, it is NOT invertible.

• Yes, it is invertible. Odd power functions are invertible.

• No, it is NOT invertible if a is odd. Odd power functions are NOT invertible.

• Yes, it is invertible. Even power functions are invertible.

• No, it is NOT invertible if a is even. Even power functions are NOT invertible.

A function is ___________________ when the inverse is a function.

You can tell if a function is invertible because it is _________________.

Select all the invertible functions:

Determine if the matrix has an inverse, if so find it.

• No

•  0   1
  -1   2

• -1   3
    1   -2

•   2   -1
  -1   1