Edexcel IGCSE Math A 2.8.E inequalities defining regions

Practise region-description questions by identifying each boundary line and deciding which side of the line contains the shaded region.

Exam points

Write three inequalities that define a shaded region bounded by straight lines.
Use solid or boundary-line information to decide whether ≤, ≥, is needed.

[Maximum number: 2]

Write down the three inequalities that define the region R.

$y\le6$ $x+y\ge5$ $y\ge x-3$

Marking guidance:
- B2 for 3 correct inequalities
- B1 for 2 correct inequalities
- Allow strict signs in place of inclusive signs

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2.8.E Regions defined by linear inequalities question 1