Answer: (2,-16)
Step-by-step explanation: you have to rewrite it by using the vertex form (h,k)
Use PEMDAS:
P Parentheses first
E Exponents (ie Powers and Square Roots, etc.)
MD Multiplication and Division (left-to-right)
AS Addition and Subtraction (left-to-right)
-----------------------------------------------------------------------

Answer:12.8
Step-by-step explanation: