do 3-4 Solve each of the following systems by graphing anddetermine the solution/s:1.4.Зх — у 3D 2x + 2y = 10(4. 1)x = 2, y = 45.Зх - 2у — 12Intersection at one pointonly-exactly one solution7x + 2y = 82.x = 2, y = -36.т + 2n — 42m + 4n = -8No solution (parallel lines)7.Зи + 5v 3 15Lines are parallel (eachhas slope - no solutionsби + 10v — —303.No solution (parallel lines)5.Lines coincide-Infinitenumber of solutions

3. When two lines coincide, there are infinite number of solutions as the lines touch at every…

4. Зх — у %3D 2 x + 2y = 10 (4, 1) X = 2, у 4 5. Зх - 2у 3D 12 Intersection at one point only-exactly one solution 7x + 2y = X 2, у -3 6. т + 2n 4 2m + 4n -8 No solution (parallel lines) 7. Зи + 5v %3D 15 ines are narallel (cach 2.

4. Зх — у %3D 2 x + 2y = 10 (4, 1) X = 2, у 4 5. Зх - 2у 3D 12 Intersection at one point only-exactly one solution 7x + 2y = X 2, у -3 6. т + 2n 4 2m + 4n -8 No solution (parallel lines) 7. Зи + 5v %3D 15 ines are narallel (cach 2.

ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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Question

do 3-4

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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