Algebra and Trigonometry, 5th Edition

• Magnitude of an earthquake, 343, 385

• Magnitude of a vector, 598, 599, 607, 625

• Main diagonal, 661

• Major axis of an ellipse, 730

• Mathematical induction, 817, 853

• Mathematical models, 55, 655, 710, 752. See also Regression.

• Matrices, 660, 711

  • addition of, 667, 668, 670, 711

    • properties of, 670

  • additive identity, 669

  • additive inverses of, 668

  • augmented, 660, 680

  • coefficient, 660

  • cofactor, 686

  • column, 672

  • columns of, 660, 711

  • determinant of, 684-687, 712

  • dimensions, 660

  • elements, 660

  • entries, 660

  • equal, 667

  • and Gaussian elimination, 661, 711

  • and Gauss-Jordan elimination, 663

  • identity, multiplicative, 678, 712

  • inverses of, 679, 680, 712

  • invertible, 681

  • leading 1, 661

  • main diagonal, 661

  • minor, 685

  • multiplicative inverse, 678

  • multiplying, 671,