Purchase Solution

Solve equations by grafting, substitution, addition method

Not what you're looking for?

Ask Custom Question

Solve by graphing, indicate whether each system is independent, inconsistent, or dependent.
1. x + y = 5
x - y = -1

2. y = -x
y = -x + 3

Solve by substitution, indicate whether each system is independent, inconsistent, or dependent.
3. x - y = 3
3x - 2y = 3

4. 2x - y = 3
6x - 9 = 3y

Solve by the addition method, indicate whether each system is independent, inconsistent, or dependent.
5. -3x + y = 3
2x - 3y = 5

6. 5x - 3y= -20
3x + 2y = 7

Solve each system by the method of your choice. (indicate the method)
7. 3x - 2y = 8
x = -2y

8. 4y = -5x
5x + 8y = 20

9. The royal python and the anaconda are the world's longest snakes. The maximum length for each of these snakes is implied by the following description:
Three royal pythons and two anacondas measure 161 feet. The royal python's length increased by triple the anaconda's length is 119 feet. Find the maximum length for each snake.

10. A restaurant purchased eight tablecloths and five napkins for $106. A week later, a tablecloth and six napkins were bought for $24. Find the cost of one tablecloth and one napkin; assuming the same prices for both purchases.

*****Bonus***** (worth ¼ point)
Q. Which weighs more: a pound of feathers or a pound or bricks?

Purchase this Solution

Solution Summary

The solution uses all the methods of solving equations with very good explanations which are easy to understand.

Purchase this Solution

Free BrainMass Quizzes
Business Ethics Awareness Strategy

This quiz is designed to assess your current ability for determining the characteristics of ethical behavior. It is essential that leaders, managers, and employees are able to distinguish between positive and negative ethical behavior. The quicker you assess a person's ethical tendency, the awareness empowers you to develop a strategy on how to interact with them.

Transformational Leadership

This quiz covers the topic of transformational leadership. Specifically, this quiz covers the theories proposed by James MacGregor Burns and Bernard Bass. Students familiar with transformational leadership should easily be able to answer the questions detailed below.

Operations Management

This quiz tests a student's knowledge about Operations Management

Understanding the Accounting Equation

These 10 questions help a new student of accounting to understand the basic premise of accounting and how it is applied to the business world.

Understanding Management

This quiz will help you understand the dimensions of employee diversity as well as how to manage a culturally diverse workforce.