Question

Which graph represents a proportional relationship?

Answer 1

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

Explanation:

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

Answer 2

Hello!!! Princess Sakura here ^^

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.