If vertex of this parabola is (-5,4) what’s the equation

For this case, we have by definition, that the standard equation of a parabola is:

This equation can also be written in the "vertex form":

Where:

The vertex of the parabola is the point (h, k)

In this case we have:

So:

If a <0 opens down

If a> 0 opens up

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step-by-step explanation: