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Juliette [100K]
3 years ago
14

The vertex of this parabola is at (-2, -3). When the x-value is -1, the

Mathematics
1 answer:
valina [46]3 years ago
7 0

Answer:

-2

Step-by-step explanation:

Start with the vertex form of the equation of a parabola:  y - k = a(x - h)^2

Here h = -2, k = -3, x = -1, y = -5.  Find a:

-5 - [-3] = a(-1 - [-2])^2, or

-5 + 3 = a(1)^2, or

-2 = a

The unknown coefficient is -2.

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