Ca15
Ca15 Ca15
  • 24-03-2017
  • Mathematics
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Convert y=X2 + 4x + 3 from standard form to vertex form

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ghanami
ghanami ghanami
  • 24-03-2017
Hello : 
x²+4x+3 = x²+2(2x)+4-4+3
              = (x²+2(2x)+2²) -1
x²+4x+3 = (x+2)² -1 ....(vertex form )    the vertex is : A( -2 ; -1)
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