Question

x/2 -y/a + a2/4 x=-10 y=8 a=2

Answer 1

$\frac{x}{2} - \frac{y}{a} + \frac{a^{2} } {4}$

Como:

x = -10
y = 8
a = 2

Logo,

$\frac{-10}{2} - \frac{8}{2} + \frac{4}{4}$ = α

-5 - 4 + 1 = α

Resposta → α = -8