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  • 08-04-2018
  • Mathematics
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Please help I don't know what to do

Please help I dont know what to do class=

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mkryukova19 mkryukova19
  • 08-04-2018
the parabola has 2 x intercepts, so quadratic equations has 2 real roots (-6), and 3
we can write  (x+6)(x-3)=0  , x²+6x-3x-18=0,  y=x²+3x-18 
check y int =-18 on the graph
y=1x²+3x-18 
   

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