Question

1) Determine as raízes das seguintes funções.
A) y=5x²+3x-2

B) y=x²-8x

C) y=6x²+3x+7

D) y=x²+5x+6

Answer 1

Resposta:

a)

$\sqrt[3]{ \frac{450}{15} }$

b)

$(x - 4) {}^{2} - 16$

c)

$6( \times + \frac{1}{4} ) {}^{2} + \frac{53}{8}$

d)

$( \times + \frac{5}{2} ) {}^{2} - \frac{1}{4}$