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Determinants and Inverses of 2X2 Matrices. Determinants Of 2x2 Matrices. Determinants. Every square matrix has a determinant A number that is found by using a formula…. Determinant of a 2 x 2 Matrix. d. b. a. c. -. Example 1. Determinant of a 2 x 2 Matrix. 3. 6. 4. 5. -. -2.

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## Determinants and Inverses of 2X2 Matrices

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**Determinants**Of 2x2 Matrices**Determinants**• Every square matrix has a determinant • A number that is found by using a formula…**Determinant of a 2 x 2 Matrix**d b a c -**Determinant of a 2 x 2 Matrix**3 6 4 5 - -2 =**Determinant of a 2 x 2 Matrix**-4 2 5 3 - -23 =**Determinant of a 2 x 2 Matrix**8 5 6 -4 - 64 =**Practice:**• Page 37 • #1 & 2**Inverses**Of 2x2 Matrices**The Inverse of a 2x2 matrix:**• If • The inverse of A is:**INVERSE**The Inverse of a 2x2 Matrix**INVERSE**The Inverse of a 2x2 Matrix**Practice:**• Pages 29-30 • Copy problem • #1-10

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