2 years ago

Given f(x)=x^3+kx-4, and x-1 is a factor of f(x), then what is the value of k?

Mathematics

1 answer:

Darina [25.2K]2 years ago

3 0

Answer:

Step-by-step explanation:

If x-1 is a factor, then x=1 is a solution. So:

0=1³+1k-4

1k=3

k=3 .........

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