Given the quadratic equation: f(x) = x2+4x-21



Identify a, b, and c from your original standard form equation.



a= _____ b= _____ c=_____
PLEASE HURRY

Respuesta :

Answer:

f(x)= x²+4x-21

a= 1 b=4 c=-21

from [tex]y=ax^2+bx+c[/tex] and [tex]y=x^2+4x-21[/tex] | Compare the coefficients.

Thus the answer is a = 1, b = 4 and c = -21