Purchase Solution

solving system of linear equations

Not what you're looking for?

Ask Custom Question

i) Solve he following equation by the quadratic formula :
3X^2 + 4X -23 = 0

ii) Find the values of x and y that satisfy the equations here given
( use the simultaneous equation method ) :
3x + 2y = 22
2x + 3y = 23

iii) Solve graphically the following equations: show the graph as a part of the solution.
x+y=5
x-y=1

iv) Using determinants solve the following equations :
a) 2x+y = 3
x+y = -2

b) 4x + 2y -z = 9
2x + y = 4
x + 2y - 2z = 2

Purchase this Solution

Solution Summary

This solution provides different methods of solving system of linear equations, such as graphing, determinant, and simultaneous equation method. The solution is detailed and well presented.

Purchase this Solution


Free BrainMass Quizzes
Geometry - Real Life Application Problems

Understanding of how geometry applies to in real-world contexts

Multiplying Complex Numbers

This is a short quiz to check your understanding of multiplication of complex numbers in rectangular form.

Exponential Expressions

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

Graphs and Functions

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

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.