For what value(s) of 𝒌 will the quadratic function 𝑓(𝑥) = 𝑘𝑥

Question

2 − 8𝑥 + 𝑘 have two zeros?

Answer 1

assuming you meant: f(x) = kx^2 - 8x + k

for 2 distinct roots
b^2 - 4ac > 0
64 - 4(k)(k) > 0
64 > 4k^2
k^2 < 16
-4 < k < 4