Answer:

Step-by-step explanation:
y = 
Use (0, -3) to find k

So, k = -3
Now use (4, -48) to find b
-48 = 
= 16
b = 2
Since k = -3 and b = 2, 
Put the 3 on the y axis and go over three towards the x axis
Angle side angle would be it
Answer:
Yes
Step-by-step explanation:
The line is good because it is representing the data accuratly because it is in the middle of all the data points and since all the point are near the line, it is accurate.