The greatest common factor of both x^4 and x^3 would be x^3, since the largest number of X variables that you can evenly take out between both terms is x^3 or x cubed.
Answer:

Step-by-step explanation:
The slope intercept form is
.
The "
" is the slope; which in this case is -3. So
.
The "
" is the y-intercept, which is this case is the -8 because it is the 2nd number in the coordinate point.
This is why the answer is
.
Covert into scientific notation?