### Vector and Matrix Operations : Row Vectors, Column Vectors, Dot Product and Echelon Form

1. Find the dot product for the following pairs of vectors: a. Row vector = (2 0) Column vector is below 5 18 b. Row vector = (3 9 -4) Column vector is below 3 0 2 c. Row vector = (5 6 7 8) 1 1 1 1 The following matrices will be used in problems 2-3 below: 0 -2 5 A= 3 -4 17 1 2 3 9 7 2 -3