Respuesta :

zach050607

Answer:

represented by the graph of a straight line through the origin with a slope equal to the unit rate.

Step-by-step explanation:

For each point (x, y) on the graph, ž is equal to k, where k is the unit rate.

Answer:

Hello!!! Princess Sakura here ^^

Step-by-step explanation:

First of all a proportional line must have these traits:

1. straight line

2. passes through the origin

The only one that has both of these traits is the top graph.