Chapter 4, Problem 26RE

### Finite Mathematics and Applied Cal...

7th Edition
Stefan Waner + 1 other
ISBN: 9781337274203

Chapter
Section

### Finite Mathematics and Applied Cal...

7th Edition
Stefan Waner + 1 other
ISBN: 9781337274203
Textbook Problem

# In Exercises 23–28, let x, y, z, and w represent the population in millions of four cities A, B, C, and D, respectively. Express the given statement as an equation in x, y, z, and w. If the equation is linear, say so and express it in the standard form   a x + b y + c z + d w = k The population of City A is the sum of the squares of the populations of the other three cities.

To determine

To calculate: The standard form of equation for the situation that the population of city A is the sum of squares of the populations of the other three cities.

Explanation

Given Information:

Here, x,y,zāandāw represent the population in millions of four cities A,B,CāandāD respectively.

Also, the population of city A is the sum of squares of the populations of the other three cities.

Formula used:

The standard form linear equation is,

ax+by+cz+dw=k

Calculation:

Here, it is provided that x,y,zāandāw is the population in millions of four cities A,B,CāandāD respectively

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