IGCSEMathsEdexcelMaths AFoundationExam Questions3. Sequences, Functions & GraphsGraphing Inequalities

Graphing Inequalities (Edexcel IGCSE Maths A: Foundation): Exam Questions

Exam code: 4MA1

7 mins2 questions
1
4 marks
Graph showing a shaded region on a grid between lines y = 2x + 3 and x = 1, from y = -3 to y = 9. Horizontal and vertical axes are marked with numbers.

The region R, shown shaded in the diagram, is bounded by three straight lines.

Find the inequalities that define R

How did you do?

2
3 marks

The region R, shown shaded in the diagram, is bounded by three straight lines.

Grid graph showing a shaded right triangle labelled R, with vertices at (0,0), (0,5), and (5,5) on x and y axes; grid lines are at unit intervals.

Write down the three inequalities that define the region R

How did you do?