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Investigation 5: Finding the Equation of a Polynomial Function Using Given Points

  • The matrix you are solving is shown below.

    =
  • Enter Matrix A by pressing MATRIX.
  • Move the cursor to EDIT. The dimensions will be 4 X 4.
  • Matrix A will be the coefficient matrix.

  • Enter Matrix B. The dimensions will be 4 X 1.

  • Multiply A-1 X B to get the solution matrix.