document.write( "Question 953084: The vertex of y = -3x²- 6x - 9 lies in which quadrant?
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Algebra.Com's Answer #582009 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! The vertex of y = -3x²- 6x - 9 lies in which quadrant? \n" ); document.write( "---------- \n" ); document.write( "vertex at x = -b/2a = 6/-6 = -1 \n" ); document.write( "y(-1) = -3 + 6 - 9 = -6 \n" ); document.write( "--> (-1,-6) in Q3 \n" ); document.write( " |