   # Use your graphing calculator to help determine the solution set for each of the following systems. Be sure to check your answers. (a) ( 3 x − y = 30 5 x − y = 46 ) (b) ( 1.2 x + 3.4 y = 25.4 3.7 x − 2.3 y = 14.4 ) (c) ( 1.98 x + 2.49 y = 13.92 1.19 x + 3.45 y = 16.18 ) (d) ( 2 x − 3 y = 10 3 x + 5 y = 53 ) (e) ( 4 x − 7 y = − 49 6 x + 9 y = 219 ) (f) ( 3.7 x − 2.9 y = − 14.3 1.6 x + 4.7 y = − 30 ) ### Intermediate Algebra

10th Edition
Jerome E. Kaufmann + 1 other
Publisher: Cengage Learning
ISBN: 9781285195728

#### Solutions

Chapter
Section ### Intermediate Algebra

10th Edition
Jerome E. Kaufmann + 1 other
Publisher: Cengage Learning
ISBN: 9781285195728
Chapter 10.2, Problem 45PS
Textbook Problem
1 views

## Use your graphing calculator to help determine the solution set for each of the following systems. Be sure to check your answers. (a) ( 3 x − y = 30 5 x − y = 46 ) (b) ( 1.2 x + 3.4 y = 25.4 3.7 x − 2.3 y = 14.4 ) (c) ( 1.98 x + 2.49 y = 13.92 1.19 x + 3.45 y = 16.18 ) (d) ( 2 x − 3 y = 10 3 x + 5 y = 53 ) (e) ( 4 x − 7 y = − 49 6 x + 9 y = 219 ) (f) ( 3.7 x − 2.9 y = − 14.3 1.6 x + 4.7 y = − 30 )

To determine

(a)

To find:

The solution of the given set of equations (3xy=305xy=46) by graphical calculator.

### Explanation of Solution

Given:

The given system of equation is,

(3xy=305xy=46)

Calculation:

Solve equation 3xy=30 for y in terms of x.

y=303xy=3x30

Solve equation 5xy=46 for y in terms of x.

y=465xy=5x46

First press “ON” button on graphical calculator, press Y= key and enter right hand side of the equation 3xy=30 after the symbol Y1. Enter the keystrokes 3X30. Now, enter the right hand side of equation 5xy=46 after symbol Y2

To determine

(b)

To find:

The solution of the given set of equations (1.2x+3.4y=25.43.7x2.3y=14.4) by graphical calculator.

To determine

(c)

To find:

The solution of the given set of equations (1.98x+2.49y=13.921.19x3.45y=16.18) by graphical calculator.

To determine

(d)

To find:

The solution of the given set of equations (2x3y=103x+5y=53) by graphical calculator.

To determine

(e)

To find:

The solution of the given set of equations (4x7y=496x+9y=219) by graphical calculator.

To determine

(f)

To find:

The solution of the given set of equations (3.7x2.9y=14.31.6x+4.7y=30) by graphical calculator.

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