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Elementary Geometry for College St...

6th Edition
Daniel C. Alexander + 1 other
ISBN: 9781285195698

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Chapter
Section
BuyFindarrow_forward

Elementary Geometry for College St...

6th Edition
Daniel C. Alexander + 1 other
ISBN: 9781285195698
Textbook Problem
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Draw the graph of 3 x + 7 y = 21 , and name the x -intercept a amd the y -intercept b .

To determine

To sketch:

The graph of 3x+7y=21, and name the x-intercept a and the y-intercept b.

Explanation

The given equation is 3x+7y=21.

The graph of the equation is drawn using graphing calculator.

To find the x-intercept substitute y=0.

3x+70=21

Simplifying,

3x=21

Dividing by 3.

33x=213

Cancelling the common factors,

x=7

Hence, the x-intercept is 7, 0.

To find the y-intercept substitute x=0

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Chapter 10 Solutions

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