Question

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Write an equation that gives the proportional relationship of the graph

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Answer 1

y = 3x

Step-by-step explanation:

two coordinates taken: (9,27), (18,54)

slope:

`(54-27)/(18-9)`

`(27)/(9)`

`3`

using slope intercept formula:

y = mx + b

y = 3x + 0

y = 3x

• y = mx + b ........ m is the slope, b is the y-intercept.

Here the *b* is 0 as the y-intercept is at 0.