Identify the expression that does not belong with the other three. Explain your reasoning.

Linear systems Vector and matrix operations EleVector spaces Nul(A) and Col(A) Midterm Details MATH 415 { Lecture 13 Review for Miderm 1 Wednesday February 15 2016 Linear systems Vector and matrix operations Elementary matricVector spaces Nul(A) and Col(A) Midterm Details Linear systems Linear systems Vector and matrix operatioVector spaces Nul(A) and Col(A) Midterm Details Systems of equations are linear combination problems, can be written as Ax = b. Linear systems Vector and matrix operatioVector spaces Nul(A) and Col(A) Midterm Details Systems of equations are linear combination problems, can be