Mathematics WAEC / WASSCE 1990 Inequalities & Linear Programming
the area shaded with vertical lines is the solution set of the inequalities;
Attached Figure / Diagram
Question diagram
A
y ≤ x, y + 2x ≤ -3
B
y ≥ x, y + 2x ≥ - 3
C
y ≤ x, y ≤ 2x - 3, x ≤ 3
D
y ≤ -x, y ≤ 2x - 3, x ≤ 3
E
y ≥ x, y + 2x ≥ 3, x ≤ 3