Question

1) Escreva os coeficientes a,b,c das funções

a) 2x²-4x + 3 = 0 –> a = 2 b = -4 c =3

b) -5 x² - 2x -8 = 0

c) 7 x² + 4 = 0 –> a = 7 b = 0 c = 4

d) -8 x² + 12x - 20 = 0

e) x² - 8x = 0

Answer 1

b) a= -5 b= -2 c= -8
d) a= -8 b=12 c= -20
e) a=1 b= -8 c=0