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What are the vertices of the region formed by 2x+y≤12 in the first quadrant?

Answer and explanation

Correct answer: (0,0), (6,0), (0,12)

The governing concept is finding the intercepts of the boundary line and combining them with the first-quadrant restrictions. Replace the inequality by its boundary equation 2x+y=12. On the x-axis, y=0, so 2x=12 and x=6; the x-intercept is (6,0). On the y-axis, x=0, so y=12; the y-intercept is (0,12). The first quadrant imposes x≥0 and y≥0, and the inequality selects the side containing the origin. Consequently, the feasible region is the triangle bounded by both axes and the line, with vertices (0,0), (6,0), and (0,12). Thus option C is correct. Option A swaps the intercept values, while B and D either include non-boundary points or use incorrect intercepts.

Related tags

Linear InequalitiesVerticesFirst QuadrantClass 11Graphical Solution Of Linear Inequalities In Two VariablesMathematicsClass 11 Mcq

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