Answer: the vertex would be (4,-25)
Step-by-step explanation:
id suggest using desmos. its an app/website and is super helpful.
(0,0) is the vortex for this problem
Answer:
1², 2²,3², 4², 5², 6², 7², 8², 9², 10², 11², 12², 13², 14², 15², 16², 17², 18², 19², 20²,........
Each number is multiplied by itself.