Purchase Solution

Matrix equations

Not what you're looking for?

Ask Custom Question

2x + y = 6
x - y = -3

Write down A matrix using left side of each equation.
Find inverse matrix A -1.
Multiply matrix A -1 by column of numbers on right side of the equations.
Result will be a column of two numbers: first - the answer for x, second the answer for y.

Purchase this Solution

Solution Summary

Solution provides steps necessary to solve equations.

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.

Know Your Linear Equations

Each question is a choice-summary multiple choice question that will present you with a linear equation and then make 4 statements about that equation. You must determine which of the 4 statements are true (if any) in regards to the equation.

Geometry - Real Life Application Problems

Understanding of how geometry applies to in real-world contexts

Probability Quiz

Some questions on probability

Graphs and Functions

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