HARD
Upper Secondary: IGCSE
IMPORTANT
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By shading the unwanted regions, show the region defined by the set of inequalities x+y5y2 and y0

Important Questions on Further Solving of Equations and Inequalities

HARD
Upper Secondary: IGCSE
IMPORTANT
By shading the unwanted regions, show the region that satisfies all the inequalities x4y3 and x+y5. Label the region R.
HARD
Upper Secondary: IGCSE
IMPORTANT

Write down the three inequalities that define the unshaded triangular region R.

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MEDIUM
Upper Secondary: IGCSE
IMPORTANT

The unshaded region in diagram represents the set of inequalities y0y+2x2 and x+y<4. Write down the pair of integers x,y that satisfies all the inequalities.

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HARD
Upper Secondary: IGCSE
IMPORTANT
Draw graph to show the solution sets of the inequalities: y4yx+2 and 3x+y4. Write down the integer co-ordinatesx,y that satisfies all the inequalities in this case.
HARD
Upper Secondary: IGCSE
IMPORTANT

In the diagram, the unshaded region represents the set of inequalities x60y6 and x+y4. Find the greatest and least possible values of 3x+2y subject to these inequalities.

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MEDIUM
Upper Secondary: IGCSE
IMPORTANT
On a grid, shade the unwanted regions to indicate the region satisfying all the inequalities yx, x+y6 and y0
HARD
Upper Secondary: IGCSE
IMPORTANT

In the diagram the unshaded region represents the set of inequalities x+2y6yx and x<4. Find the greatest possible value of 2x+y if x and ysatisfies all these inequalities?

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