Tagged: rank of a system

The Possibilities For the Number of Solutions of Systems of Linear Equations that Have More Equations than Unknowns

Problem 295

Determine all possibilities for the number of solutions of each of the system of linear equations described below.

(a) A system of $5$ equations in $3$ unknowns and it has $x_1=0, x_2=-3, x_3=1$ as a solution.

(b) A homogeneous system of $5$ equations in $4$ unknowns and the rank of the system is $4$.

(The Ohio State University, Linear Algebra Midterm Exam Problem)
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