Mathematics: 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

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The vertex of this parabola is at (-2,-3). when

gg808

14.01.2022

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

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