Example 11 Solve y < 2 graphically. y < 2 Lets first draw graph of y = 2 At y = 2, x can have any value Drawing graph Checking for (0,0) Putting x = 0, y = 0 y < 2 0 < 2 which is true Hence origin lies in plane 3x + 2y > 6 . So, we shade downward region of line

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Example 11 You are here