Answer:
green one
Step-by-step explanation:
Given a parabola in standard form
y = ax² + bx + c ( a ≠ 0 )
• If a > 0 then the graph opens upwards
• If a < 0 then the graph opens downwards
y = - x² + x + 6 , has a = - 1 < 0
Then its graph will open downwards
