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ikadub [295]
3 years ago
15

The vertex of this parabola is at (-2,5) which of the following could be its equation (apex)

Mathematics
1 answer:
alexira [117]3 years ago
7 0

Answer:

Option D. y=3(x+2)^{2}+5

Step-by-step explanation:

we know that

The equation of a vertical parabola in vertex form is equal to

y=a(x-h)^{2}+k

where

(h,k) is the vertex of the parabola

If a> 0 then the parabola open up and the vertex is a minimum

If a< 0 then the parabola open down and the vertex is a maximum

In this problem the vertex is the point (-2,5)

so

the equation must be equal to

y=a(x+2)^{2}+5 and the value of a is positive

therefore

the answer is the option D

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