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 3AEXP
Related questions
Question
do 4-5
![Solve each of the following systems by graphing and
determine the solution/s:
1.
4.
Зх — у 3D 2
x + 2y = 10
(4. 1)
x = 2, y = 4
5.
Зх - 2у — 12
Intersection at one point
only-exactly one solution
7x + 2y = 8
2.
x = 2, y = -3
6.
т + 2n — 4
2m + 4n = -8
No solution (parallel lines)
7.
Зи + 5v 3 15
Lines are parallel (each
has slope - no solutions
би + 10v — —30
3.
No solution (parallel lines)
5.
Lines coincide-Infinite
number of solutions](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F53df7d1a-b639-4338-b8db-d588d9e5392e%2F80e62f6e-b04e-4658-801d-3b098595a8ac%2F93hsaxa_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Solve each of the following systems by graphing and
determine the solution/s:
1.
4.
Зх — у 3D 2
x + 2y = 10
(4. 1)
x = 2, y = 4
5.
Зх - 2у — 12
Intersection at one point
only-exactly one solution
7x + 2y = 8
2.
x = 2, y = -3
6.
т + 2n — 4
2m + 4n = -8
No solution (parallel lines)
7.
Зи + 5v 3 15
Lines are parallel (each
has slope - no solutions
би + 10v — —30
3.
No solution (parallel lines)
5.
Lines coincide-Infinite
number of solutions
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