Answer:
maximum value
Step-by-step explanation:
Given a quadratic function in standard form
y = ax² + bx + c ( a ≠ 0 )
• If a > 0 then minimum value
• If a < 0 then maximum value
y = - 3x² + 12x - 33 ← is in standard form with a = - 3
Since a < 0 then maximum value