A linear system with a unique solution can not have more variables than equations.

Name: A linear system with a unique solution can not have more variables than equations.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

This is true since having more variables than equations leads to an underdetermined system where there are infinite possible solutions. A unique solution requires the number of equations to be at least equal to the number of variables.

A Linear System with a Unique Solution Can Not Have