Linear Inequalities: Estimations
Multiple linear inequalities with two unknowns
The two lines given by the equations #-39\cdot x+33\cdot y-513=0# and #-23\cdot x-38\cdot y-651=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?
\[-39\cdot x+33\cdot y-513\gt0, \quad -23\cdot x-38\cdot y-651\lt0 \]
Which area is the solution of the following inequalities?
\[-39\cdot x+33\cdot y-513\gt0, \quad -23\cdot x-38\cdot y-651\lt0 \]
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