30-10-2018
Mathematics

contestada

Find a formula for the quadratic function whose graph has vertex (-1,3) and y-intercept -3.

Respuesta :

118010041cuhk 118010041cuhk

30-10-2018

Answer:-6x^2-12x-3

Step-by-step explanation:

assume the equation is ax^2+bx+c=y

c=-3

-b/2a=-1

a-b+c=3

a=-6

b=-12

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