Question

The function f(x)=ax2+bx+kc passes through the points (−k,−4), (k,2) and (2,2k).

Find the values of k that result in no solution (no existing function f(x))

Give your answer as a comma separated list (in numerical order) without spaces (e.g -7,-4 or -3,5 or 2,6).

Answer 1

Answer:

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