Answer:
Yea.. Its C
Step-by-step explanation:
The Additive inverse is 9
A.125
Because to get from 5 to 25 you need to multiply by 5 so 25 times five equals 125
M=slope=(y2-y1)/(x2-x1)=(-6-1)/(8-8)=-7/0 which is technically undefined. This is just a vertical line namely:
x=8 (you can think of a vertical line as having infinite slope)