Question

ME AJUDAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA, PRFV

1) escreva uma equação do segundo grau do tipo x²+dx+f=0, com d e f reais, cujas as raizes sejam:
a) 2 e 5 b) -3 e -6 c) 3 e 1/5 d) 0 e 9 e) 7 e 7 f)1/3 e -3 g) 0 e 0 h)2-√3 e 2+√3

Answer 1

Resposta:

letra a: (x - 1) . (× - 9) = 0

x*2 - 9x - 1× + 9

x*2 - 8x + 9