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umka2103 [35]
3 years ago
12

It would be really nice if someone could help me on dis!​

Mathematics
1 answer:
olasank [31]3 years ago
6 0
B it’s negative





example
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Equation of the parabola is \left(y+3\right)^{2}=-24(x+4)

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We have to find the equation of a parabola with vertex is (-4,-3) and a directrix x=2.

As vertex is (-4,-3) that means parabola is in third quadrant.

So the standard formula of the parabola will be y²= -4px through origin (0,0).

But when a parabola is shifted from origin to the left of y axis so the equation will be (y-shifting form y axis)² = -4(distance between vertex and directrix)(x-shifting from x axis)

\left\{y-(-3)\right\}^{2}=(-4\times 6)\left\{x-(-4)\right\}

\left(y+3\right)^{2}=-24(x+4).



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