Question

Use the points (7,81) and (14,39) from the following data set to determine the point slope form of an equation that represents the data set X | 7 | 8 | 9 | 11 | 13 | 14 | 16 | 18 |Y | 81 | 73 | 70 | 68 | 54 | 47 | 39 | 30 | 12 |

Answer 1

We will have the following:

First, we find the slope:

`m=(39-81)/(14-7)\Rightarrow m=-6`

We will then determine the equation of the line:

`y-39=-6(x-14)\Rightarrow y-39=-6x+84`
`\Rightarrow y=-6x+123`