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charle [14.2K]
2 years ago
15

The vertex of this parabola is at (-2,-3). When the y-value is -2 the x-value is -5. What is the coefficient of the square term

in the parabola’s equation?
I think it’s -3

Mathematics
1 answer:
olchik [2.2K]2 years ago
4 0

Answer:

a = -3

Step-by-step explanation:

You're correct.

The form of the equation you need is

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

Filling in our h, k, y, and x:

-5=a(-2+3)^2-2 which simplifies to

-5=a(1)-2 which simplifies further to

a=-3

Very good!!!! These can be tricky, but you got it!!

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