Question

2. What is the equation for the table below:

х
y
5
10
6
30
8
8
50

Answer 1

Explanation:

We can tell this is a linear relation.

The slope is (50-30)/(8-6)=10.

So we have y=10x+b.

We can substitute in (5, 10) to get 10=10(5)+b -> b=-40

meaning y=10x-40