SOLUTION: The vertex of y = -3x²- 6x - 9 lies in which quadrant?

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Question 953084: The vertex of y = -3x²- 6x - 9 lies in which quadrant?
Found 2 solutions by Alan3354, rothauserc:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
The vertex of y = -3x²- 6x - 9 lies in which quadrant?
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vertex at x = -b/2a = 6/-6 = -1
y(-1) = -3 + 6 - 9 = -6
--> (-1,-6) in Q3

Answer by rothauserc(4718) About Me  (Show Source):
You can put this solution on YOUR website!
The vertex lies in quadrant III, here is the graph
+graph%28+300%2C+200%2C+-10%2C+10%2C+-30%2C+30%2C+-3x%5E2+-+6x+-+9+%29+