Question

The line of best fit is given as y = 9 - 3x. Find the value of y when x = -3.

Answer 1

Answer:18

Explanation:

9-3(-3)=18

Answer 2

y = 18

Explanation:

⭐Substitute the given x-value into the line of best fit

`y = 9-3x`

`y = 9-3(-3)`

`y = 9 +9`

`y = 18`