Mathematics for IGCSE & O level - Graphs In Practical Situations (Section 1 - No. 2)
A straight, upward-sloping line on a conversion graph indicates:
A direct relationship between the two units.
An inverse relationship between the two units.
No relationship between the two units.
A non-linear relationship between the two units.
Erläuterung
A straight line means a direct, constant relationship.