Know the analytic expression of quadratic function, how to find vertex coordinates?
To form a vertex is to make a complete square
Or with a formula
The vertex is (- B / 2a, (4ac-b & # 178;) / 4A)
To form a vertex is to make a complete square
Or with a formula
The vertex is (- B / 2a, (4ac-b & # 178;) / 4A)