Question

3) calcule as as raízes da equações:

a) f(x) = x2 - 4x + 3
b) f(x) = x2 - 9x + 20
c) f(x) = 4x2 - 3x - 2
d) f(x) = -2x2 - x
e) f(x) = -3x2 + 18
f) f(x) = -x2 + 8x - 12
g) f(x) = x2 - 12x + 36

Answer 1

a) x' = 3 | x'' = 1
b) x' = 5 | x'' = 4
f) x' = 2 | x'' = 6
g) x' e x'' dão 6