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OpenStudy (anonymous):
Identify the vertex and axis of symmetry. y=–x^2 –2x–1
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OpenStudy (tkhunny):
Have you considered Completing the Square?
OpenStudy (anonymous):
Can you use completing the square to find the vertex? I thought that was -b/2a
OpenStudy (tkhunny):
Same thing. Where do you think -b/2a came from?
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