SOLUTION: If the Polynomial f(x) is synthetically divided by x+7 and the remainder is 5, what value of x would you evaluate the function by to get f(x)=5. I don't even know where to start

Algebra ->  Rational-functions -> SOLUTION: If the Polynomial f(x) is synthetically divided by x+7 and the remainder is 5, what value of x would you evaluate the function by to get f(x)=5. I don't even know where to start      Log On


   

Question 599165: If the Polynomial f(x) is synthetically divided by x+7 and the remainder is 5, what value of x would you evaluate the function by to get f(x)=5.
I don't even know where to start.
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Hint: Use the remainder theorem which states that if a polynomial function P(x) is divided by x-k and you get some remainder 'r', then P(k) = r