Math 246 Homework Assignment Six Do the following problems showing all your work. Be sure to submit your solutions in PDF format to the Assignment area of LEO. (Point values are given in the square brackets.) 1. [5] Use elimination to solve this system for , (): ! + ! = 5 ! + ! + = 1 2. [5] Use elimination to solve this system for , , (): ! = + 2 ! = + ! = 4 4 + 5 3. [5] Draw a phase plane diagram (portrait) for the following system: = ( )( 1) = ( )( 1) 4. [5] Find a general solution (()) to the equation !!! 2 !! 5 ! + 6 = 0. 5. [2] Express following system in matrix notation: =++ = 2 = 4 6. [3] Express the following equation in the matrix form ! = + . ! + = cos