Question

Escreva os coeficientes de cada equação a seguir.
a) 4x² = 0 a =___ b =___ c =___
b) x² - 4 = 0 a =___ b =___ c =___
c) x² - 2x = 0 a =___ b =___ c =___
d) x² + 2x - 9 = 0 a =___ b =___ c =___
e) -7x² + 5x + 4 = 0 a =___ b =___ c =___
f) -10x² + 5x = 0 a =___ b =___ c =___
g) 8x² - 15 = 0 a =___ b =___ c =___
h) 12x² + 7x = 0 a =___ b =___ c =___

Answer 1

Resposta:

a) a= 1 b= 0 c= 0

b) a=1 b= 0 c= -4

c) a= 1 b= -2 c= 0

d) a= 1 b= 2 c= -9

e) a= -7 b= 5 c= 4

f) a= -10 b= 5 c= 0

g) a= 8 b= 0 c= -15

h) a= 12 b= 7 c= 0