It is eight. There is no way it's wrong I doubled checked.
Answer:

Solving Steps
Use the quadratic formula

Multiply / Remove the parentheses / Evaluate

Calculate

Separate the solutions

Simplify

Answer:
The scale factor is 
Step-by-step explanation:
The volume of the original prism is 
The volume of the dilated prism is 
Let the scale factor be
.
To find the volume of the dilated prism, we multiplied by
.



![\Rightarrow k=\sqrt[3]{\frac{27}{8}}](https://tex.z-dn.net/?f=%5CRightarrow%20k%3D%5Csqrt%5B3%5D%7B%5Cfrac%7B27%7D%7B8%7D%7D)

The correct answer is :H=-3 ............