Mathematics for IGCSE & O level - Inequalities (Section 2 - No. 36)
The graph of which inequality is a solid line with shading above the line?
y < 2x + 1
y > 2x + 1
y ≤ 2x + 1
y ≥ 2x + 1
คำอธิบาย
Solid line indicates ≤ or ≥. Shading above indicates ≥.