kayla65u kayla65u
  • 20-10-2020
  • Mathematics
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How do we know if a function is a parabola like for instance, this one x^2 + x?

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mayakatsuda
mayakatsuda mayakatsuda
  • 20-10-2020
There is an easy way to tell whether the graph of a quadratic function opens upward or downward: if the leading coefficient is greater than zero, the parabola opens upward, and if the leading coefficient is less than zero, the parabola opens downward.
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