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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 squared expression in the parabola's equation?

Verified Answer :

caylus

Hello,

Vertex=(-2,-3)

Equation of the parabola is y=k(x+2)²-3
(-5,-2) is a point of the parabola
==>-2=k(-5+2)²-3==>3-2=k9==>k=1/9

Equation is y=1/9 (x+2)² -3

The coefficient of the squared expression in the parabola's
is 1/9

Answer:

It is -3

Step-by-step explanation:

I just missed it and it told me the right answer and the dude before me made me get it wrong. APEX

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