Question

Write an equation that gives the proportional relationship of the graph.

Answer 1

Answer:

C

Step-by-step explanation:

Answer 2

The required equation is: $y= 7x$

Option C is correct.

Step-by-step explanation:

The proportional relationship can be found using the equation: $y=k\,x$

where x and y are the points and k is the constant of proportionality.

We need to find k.

From the graph given, we can locate points x and y:

x=5, y= 35 then k would be:

$y=kx\\k=y/x\\k=35/5\\k=7$

x=10, y=70 then k would be:

$y=kx\\k=y/x\\k=70/10\\k=7$

For each values of x and y, the constant of proportionality k is 7

So, the required equation is: $y= 7x$

Option C is correct.

Keywords: Proportional Relationship

Learn more about Proportional Relationship at:

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