The rank of a matrix equals: Select one: O a. Number of rows. O b. Sum of number of rows and number of columns. O c. Number of independent columns. O d. Maximum of number of rows and number of columns.

What is a pivot column?

The augmented matrix for a linear system with variables a₁, A2, A3, A4, A5 (in that order in the matrix) is 6974 83 8 -132 -7 36 3929 109 11 -128 -5 26 174 18 -197 -7 38 -20 -2 24 1 -5 -1261 11417 131 13 -162 -7 35 8069 A = Add code that will print out the reduced row echelon form of A. From the print out, find the solution of the system. 1 A = matrix (5,6, [83,8,-132, -7, 36, 3929, 109, 11, -128, -5,26,6974, 174, 18, -197,-7, 38, 11417, -20,- 2 # Put your code below this line. B 34 ref (A); disb (B); Evaluate Language: Sage

You have space in your garden for 55 small flowering bulbs. Crocus bulbs cost $0.55 each and daffodil bulbs cost $0.95 each. Your budget allows you to spent $41.85 on bulbs. How many crocus bulbs and how many daffodil bulbs can you buy? Write a system of equations to represent the situation. Solve using matrices. Write the matrix and inverse equations.