The rule, when solving for several unknown quantities is:
A) You must have the same number of equations as there are unknown values.
B) You must use substitution.
C) You must use determinants.
D) Use Ohm's law.

Question

Quizplus · Accepted Answer

To solve a system of equations for several unknown quantities, you must have at least as many independent equations as there are unknowns. This ensures that there is sufficient information to uniquely determine the values of the unknowns. Options B, C, and D are methods or specific applications, not general requirements.

The Rule, When Solving for Several Unknown Quantities Is