Answer:
6
Step-by-step explanation:
(n- 1)(n)( n +1)=210
n(n²-1)=210
n³-n= 210
n³-n-210=0
let n = 6 => 6³-6-210 = 216-6-210 = 0 (true)
so, n = 6
Y = kx
8 = -32k
k = -8/32 = -1/4
y = -1/4 (64)
y = -16
.465
i hope im right and
i hope i helped.
in decimal formation it is -0.5 and in fraction -1/2