Linear Inequalities: Estimations
Multiple linear inequalities with two unknowns
The two lines given by the equations #-41\cdot x+44\cdot y-321=0# and #-34\cdot x-44\cdot y-454=0# divide the plane into four areas, indicated in the figure below as I, II, III and IV.
Which area is the solution of the following inequalities?
\[-41\cdot x+44\cdot y-321\lt0, \quad -34\cdot x-44\cdot y-454\lt0 \]

Which area is the solution of the following inequalities?
\[-41\cdot x+44\cdot y-321\lt0, \quad -34\cdot x-44\cdot y-454\lt0 \]
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