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Which graph and equation shows a proportional relationship between x and y?

Which graph and equation shows a proportional relationship between x and y?-example-1
User Joinsaad
by
8.2k points

2 Answers

4 votes

Answer:

The first graph

Explanation:

Every other graph's equation is y=mx+b,and the +b part makes it non-proportional.

User EricOnline
by
8.5k points
1 vote

Answer:

Only the first graph with equation,

y = 11.5x

shows a proportional relationship between x and y.

Explanation:

Only the first graph with equation,

y = 11.5x

shows a proportional relationship between x and y.

We know that y is proportional to x , written as,

y ∝ x

only when, y =
k * x where k ≠ 0

User Steve Lau
by
8.6k points

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