Solve the system of equations by graphing. y = 3x +9 y = - x - 7 Graph the System of Equations and write the solution as an Ordered Pair. Write "DNE" if the solution does not exist, or use the infinity symbol if there are infinitely many solutions. Solution:

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter2: Systems Of Linear Equations
Section2.2: Direct Methods For Solving Linear Systems
Problem 4CEXP
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1#/full
Systems of Equations
Solve the system of equations by graphing.
y = 3x + 9
Graph the System of Equations and write the solution as an Ordered Pair.
Write "DNE" if the solution does not exist, or use the infinity symbol if there are infinitely
many solutions.
Solution:
15+
14
13
12
10
6.
5-
1 2 3 4 5 6 7 8
9 10 11 12 13 14 15
15-14-13-12-11-10 -9-8 -7 -6 -5 -4 -3-2 -1
-3
-4
7-
Transcribed Image Text:1#/full Systems of Equations Solve the system of equations by graphing. y = 3x + 9 Graph the System of Equations and write the solution as an Ordered Pair. Write "DNE" if the solution does not exist, or use the infinity symbol if there are infinitely many solutions. Solution: 15+ 14 13 12 10 6. 5- 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 15-14-13-12-11-10 -9-8 -7 -6 -5 -4 -3-2 -1 -3 -4 7-
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