Linear equations can be used to model real world data. We solve a linear equation that models a real world problem graphically, symbolically, and numerically.
The Problem |
The
linear function given by |
Graphical Solution | Symbolic Solution | Numeric Solution
Special Note |
All types of solutions, including graphical, symbolic and numeric, give approximately the same solution to an equation. All are equally "good" solutions when all that is needed is an approximate solution. Exact solutions are usually found by using symbolic methods, as we use in traditional algebra. |
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