Snhu Mat 240 Complete Exam Review With Full Solutions

SNHU MAT 240 COMPLETE EXAM REVIEW
WITH FULL SOLUTIONS

●● Inconsistent solution
Answer: The system has no solution


●● Consistent solution
Answer: The system has a solution


●● Unique solution
Answer: The system has only one solution


●● Non Unique solution
Answer: The system has multiple solutions


●● Coefficient Matrix
Answer: A Matrix where the coefficients are the column


●● Augmented Matrix
Answer: A coefficient matrix plus a column for constants


●● Echelon Form(REF)

,Answer: All 0's below the pivot rows


●● Reduced Echelon Form (RREF)
Answer: Just 0's and 1's in the pivot position(Not accounting for free
vars


●● Pivot Position
Answer: Position of the lading one


●● Standard VAriable
Answer: Variables Corresponding to pivots


●● Free Variables
Answer: Nonpivot variables


●● Linear Combination
Answer: A sum of scalar multiples of vectors. The scalars are called the
weights


●● mxn Matrix
Answer: A matrix with m rows and n columns


●● Identity matrix

, Answer: A square matrix with ones (1s) along the main diagonal, from
the upper left element to the lower right element, and zeros (0s)
everywhere else.


●● Homogeneous system
Answer: The system of equations has the trivial solution


●● Trivial Solution
Answer: The zero vector solution to a system


●● Span
Answer: The set of all linear combinations of a vector


●● Solution set
Answer: A vector representing the solution


●● Linear independence
Answer: A system with only one solution that is the zero vector


●● Linear dependence
Answer: more than one solution to a system not just the zero vector


●● Domain