Respuesta :

apologiabiology
y vaires directly as x means
y=kx
where k is a constant
y=2 and x=8
2=8k
divid by 8
2/8=k=1/4

y=(1/4)x
constant of variation is 1/4

Answer: 1/4

Step-by-step explanation:

y=2

x=8

two-eights = k

simplify = one-fourth