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Class 8-9-10, JEE & NEET
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Solve the given inequalities $2 x+y \geq 6,3 x+4 y \leq 12$ graphically in two - dimensional plane.
The graphical representation of $2 x+y \geq 6,3 x+4 y \leq 12$ is given by common region in the figure below.
$2 x+y \geq 6 \ldots \ldots$ (1)
$3 x+4 y \leq 12 \ldots \ldots$ (2)
Inequality (1) represents the region above line $2 x+y=6$ (including the line $2 x+y=6$ ).
Inequality (2) represents the region below line $3 x+4 y=12$ (including the line $3 x+4 y=12$ ).
Therefore,every point in the common shaded region including the points on the respective lines represents the solution for the given inequalities.
This can be represented as follows,