Let (c1, c2) be a solution of the 2 2 system a11x1 + a12x2 = 0 a21x1 + a22x2 = 0 Show that, for any real number , the ordered pair (c1, c2) is also a solution. 1

MATH 1220 Notes for Week #13 11 April 2016 Did an extended practice problem during class. A large part of the class was spent attempting to solve these problems in small groups and ensure other groups understood them. The remainder of class was spent by Dr. Klaff discussing...