Purchase Solution

Matrices

Not what you're looking for?

(1.) x-y+2z=13
2x+xy-z=-6
-x+3y + z =-7

a. Provide a coefficient matrix corresponding to the system of linear equations.

b. What is the inverse of this matrix?

c. What is the transpose of this matrix?

d. Find the determinant for this matrix.

(2) A = [2 -3] [-4 1]
[7 4] and B=[ 6 5]
Calculate the following for:
a. A*B
b. -4A
c. A T

3. Solve the following linear system using Gaussian elimination.
Show work.
3x + y-z =.5
-4x + y =6
6x = 2y + 3z =2

4. Solve the following linear system for x using Cramer's rule.
Show work.

x + 2y-z = -22
2x - 6y + 8z = 74
-x -2y + 4z = 29

Solution Summary

This provides several examples of working with matrices: Gaussian elimination, Cramer's rule, matrix operations, coefficient matrix, inverse, transpose, and determinant.

Probability Quiz

Some questions on probability

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.

Geometry - Real Life Application Problems

Understanding of how geometry applies to in real-world contexts