Find the vertex and vertex form of
the following:
f(x) = x^2 - 8x+9

(4,-7)

Step-by-step explanation:

Rewrite in vertex form and use this form to find the vertex  ( h,k ) .

the answer is y < -3 or   y > 3

-3y > 7 + 2

-3 y > 9

y < -3

i believe the correct answer is option 4.principalities were small territories that were run by russian rulers.

which statement correctly defines principalities in northern asia in the 1200s? principalities were small territories that were run by russian rulers.

hope i could ! : )