Purchase Solution

System of Equations : Software Techniques and an Example

Not what you're looking for?

Ask Custom Question

1. Many free software mathematics packages on the Internet will solve a system of equations given the coefficients in the system.

Problem: find out which of the four techniques (the Method of Addition, the Method of Substitution, Gauss-Jordan Elimination, and Cramer's Rule) is used in the majority of these types of software packages. Give your opinion why this technique is the one most commonly used. I am not sure about this one.

2. Three foods have the following nutritional content per ounce.
Calories, Protein (in grams), Vitamin C (in milligrams)

Food A 40calories,5 protein grams,30vitamin C in miligrams
Food B 200calories,2 protein grams,10 vitaminC in miligrams
Food C 400calories,4 protien grams,300 vitaminCinmiligrams

If a meal consisting of the three foods allows exactly 660 calories, 25 grams of protein, and 425 milligrams of vitamin C, how many ounces of each kind of food should be used?

Purchase this Solution

Solution Summary

Techniques used by software pakages for the solution os systems of equations are discussed. An example is solved.

Solution Preview

(1)Technique used most of the times is Method of Addition. This is because this technique provides a very easy way to eliminate variables. Suppose you have two linear equations in x and y. One can just calculate the ratio of coefficients for one of the variables. Multiply this ratio to the ...

Purchase this Solution


Free BrainMass Quizzes
Exponential Expressions

In this quiz, you will have a chance to practice basic terminology of exponential expressions and how to evaluate them.

Geometry - Real Life Application Problems

Understanding of how geometry applies to in real-world contexts

Solving quadratic inequalities

This quiz test you on how well you are familiar with solving quadratic inequalities.

Graphs and Functions

This quiz helps you easily identify a function and test your understanding of ranges, domains , function inverses and transformations.

Probability Quiz

Some questions on probability