Engineering↗
Conditional and Identical Equations
The difference between an equation true for some values and one true for all of them, why only the first kind is worth solving, and what a solution set actually is.
Every page in the KEVOS library tagged solution set. 2 pages.
The difference between an equation true for some values and one true for all of them, why only the first kind is worth solving, and what a solution set actually is.
Represent one-variable inequality solution sets with open or closed endpoints, directional rays and interval interpretation.