nairo7570 nairo7570
  • 01-06-2018
  • Mathematics
contestada

Based off of the standard form of a parabola how do you know if it opens down or uo

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Аноним Аноним
  • 01-06-2018
If the coefficient of x^2 is positive it opens upwards. Negative coefficient of x^2  downwards
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mreijepatmat
mreijepatmat mreijepatmat
  • 01-06-2018
The standard form of a parabola is y=ax²+bx+c, 
If the coefficient "a" is positive (a>0) the parabola is open up
and if a<0 (negative) it opens down
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