AlleighaX41030 AlleighaX41030
  • 03-11-2022
  • Mathematics
contestada

Find a quadratic function of the form y=ax^2 that passes through the point (-2,-8)

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DaylahY617017 DaylahY617017
  • 03-11-2022

Solution

[tex]\begin{gathered} \text{ since }y=ax^2 \\ \\ \text{ at }(-2,-8) \\ \\ \Rightarrow-8=a(-2)^2 \\ \\ \Rightarrow-8=a(4) \\ \\ \Rightarrow a=-\frac{8}{4}=-2 \\ \\ \Rightarrow y=-2x^2 \end{gathered}[/tex]

The quadratic equation is

[tex]y=-2x^2[/tex]

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