arifkarimi1824 arifkarimi1824
  • 11-08-2017
  • Mathematics
contestada

Which options show the correct steps for finding the x-coordinate of the vertex in the equation y=x^2+6x+8?

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ghanami
ghanami ghanami
  • 11-08-2017
hello : 
 y = (x² +2(3)x +3²) -3²+8
  y= (x+3)² -1 
the vertex is : (-3 , -1)
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