golden326 golden326

20-04-2021
Mathematics

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Given f(x)=3x^2+kx+9, and the remainder when f(x) is divided by x-3 is 6, then what is the value of k?

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lamiaanasser51 lamiaanasser51

20-04-2021

Answer:

k = - 10

Step-by-step explanation:

6=9+3(k+9)

3(k+9)=-3

k+9= -1

k= -10

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