2. Notes Over 4.1 Adding and Subtracting Matrices Perform the indicated operation, if possible To add or subtract matrices, they must have the same dimensions. You cannot add them

3. Notes Over 4.1 Adding and Subtracting Matrices Perform the indicated operation, if possible To add or subtract matrices, they must have the same dimensions. 1 6 - 4 3 5-6 - + - + + - +

4. Notes Over 4.1 Solving a Matrix Equation Solve the matrix equation for x and y. Equate corresponding entries involving x and y.

5. Notes Over 4.1 Solving a Matrix Equation Solve the matrix equation for x and y. Equate corresponding entries involving x and y.

6. Notes Over 4.1 Using Matrix Operations 5. Using the matrix B on health care costs, write a matrix C for the following year that shows the cost after a 2% decrease. Comprehensive HMO Standard HMO Plus Individual Family

7. Notes Over 4.1 Using Matrix Operations 6. Using the matrix B on health care costs, write a matrix C for the following year that shows the cost after a 3% increase. Comprehensive HMO Standard HMO Plus Individual Family

8. Notes Over 4.1