Mathematics for IGCSE & O level - Inequalities (Section 2 - No. 8)
Which inequality matches the graph showing y ≥ 2x - 1?
A solid line sloping upwards with shading above.
A dashed line sloping upwards with shading below.
A solid line sloping downwards with shading above.
A dashed line sloping downwards with shading below.
説明
The line should be solid due to the 'greater than or equal to' and the shading is above the line.