Mathematics for IGCSE & O level - Graphs In Practical Situations (Section 1 - No. 17)
If a conversion graph shows a line with a negative gradient, what does this suggest about the relationship between the two units?
The units are directly proportional.
The units are inversely proportional.
There is no relationship between the units.
The conversion is not possible.
Explanation
A negative gradient indicates an inverse relationship.
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