Answer:
On a coordinate plane, a straight line crosses the y-axis at (0, 0)
Step-by-step explanation:
Required
Which represents a proportion
For a graph to represent a proportion, the line of the graph must pass through the origin (i.e. it must pass through (0,0))
From the list of options, only option (a) passes through (0,0).
Other options (b - d) pass through points other than the origin.
Hence, (a) is correct
