I believe that it is A. It is the only one that makes sense. If you look at numbers 0.47 and 0.00047, the decimal point in 0.00047 is three more spaces to the left than 0.47. Hope this helps!
The slope would be y/x = 3/1 = 3
Answer:
The constant term is the weights rate of change, because the formula never changes.
The answer is -3x^2+10xy+8y^2
