Answer:
9
Step-by-step explanation:
You choose the middle one because 3<(4)<10 makes sense where as the other ones don't when you plug in 4. Then you solve the equation which is x^2-7 and then you get 16-7 which is 9.
Take half of the middle coefficient.
Then square it.
-12/2 = -6
(-6)^2 = 36
c = 36
Answer:
the equatopion of the line of the best fit for this data will be 15