emily25089950 emily25089950

11-09-2021
Mathematics

contestada

The minimum turning point
of a quadratic curve is (2,
-7).
Write an equation for this in
the form:
y=x^2+ax+b

Respuesta :

11-09-2021

Answer:a=-4, b=-3

Step-by-step explanation:

Vertex is (2,-7)

[tex]y=k(x-2)^2-7=k(x^2-4x+4)-7 =x^2+ax+b\ \Longrightarrow\ k=1\\\\y=x^2-4x-3\\\\a=-4\\b=-3\\[/tex]

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