Question

Write an equation to describe the relationship between x and y.

Answer 1

y=4.5x

Explanation:

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Answer 2

y = 4.5x

Explanation:

Given:

• x= 2 ⇒ y=9
• x=5 ⇒ y=22.5
• x=8 ⇒ y=36

We can see that:

• 9/2 = 22.5/5 = 36/8 = 4.5

Therefore the relationship between x and y is:

• y = 4.5x