If (x – 2k) is a factor of f(x), which of the following must be true? f(2k) = 0 f(-2k) = 0 a root of f(x) is x = -2k. ay intercept of f(x) is x = 2k.

A. f(2k)=0

Step-by-step explanation:

The factor theorem states that a polynomial f(x) has a factor (x−k) if and only if f(k)=0 (i.e. k  is a root).

If (x – 2k) is a factor of f(x), then by the factor theorem f(2k)=0 (i.e. 2k is a root).

Option A is true, f(2k)=0

Option B is false, it should be like in option A, f(2k)=0

Option C is false, because x=2k is a root, not x=-2k

Option D is false, because x-intercept of f(x) is x=2k, not y-intercept.

i don't have the answer rn but go to math papa. it shows the steps and the answer. hope this : )

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can you rephrase the question ? it is unclear : -)

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