Find a possible equation for the linear function g(x, y) shown in the graph below

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.5: Graphs Of Functions
Problem 58E
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Find a possible equation for the linear function g(x, y) shown in the graph below
-13
1,0
-3
1.0
11
Transcribed Image Text:Find a possible equation for the linear function g(x, y) shown in the graph below -13 1,0 -3 1.0 11
Expert Solution
Step 1

Solution - 

g(x,y) is a linear function.

let g(x,y) = ax+by+c

from graph of g(x,y).

The graph g(x,y)=-1 passes through (0,0) and (3,2)

ax+by+c=-1 passes through (0,0) and (3,2)

(0,0) and (3,2) would satisfied ax+by+c=-1

Therefore, a(0) + b(0) + c=-1

c=-1

and a(3) + b(2) + c=-1 3a+2b+c=-1

                                           3a+2b-1=-1

                                          3a+2b=0  ----(1)

also g(x,y)=0 passes through (2,0)

ax+by+c=0 passes through (2,0)

Therefore, a(2)+b(0)+c=0

2a+c=0

2a-1=0

Cl=1/2

 

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