The vertex is where g(x) = 0
i.e. where 8(x^3)^2-7 is equal to x
who wrote this question, there aRE OBVIOUS errors.
Yes he does. If you cut something 6 times you make 7 pieces
answer: -5 
work:
set up as fractions.

multiply across to solve.
so, multiply -2 x 8 and 1 x 3.
you get 
or, -5 
<em>i hope this helps, and have a great day! don't hesitate to ask if you need more help with this specific question! ♥ - eviezoom </em>
A gyre is best defined as a ring or circle.