Write an equation that gives the proportional relationship of the graph.
a) y =
1
3
x
b) y = 2x
c) y = 3x
d) y = 6x

C)

Step-by-step explanation:

The proportional equation is given by :

where represents constant of proportionality.

The value of can be found out by dividing the -value by the corresponding -value.

The points on graph is given as:

(0,0),(2,6),(12,4),(18,6) and (24,8)

So, the value of using point (2,6) can be calculated as :

∴

Thus the proportional relationship of the graph is given by :

 (Answer)

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