SOLUTION: Use the remainder theorem to find P(7) for P(x)=7x^3-9x^2-4x+3 a.2,817 b.-1,929 c.121,593 d.2,811 e.1935

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Use the remainder theorem to find P(7) for P(x)=7x^3-9x^2-4x+3 a.2,817 b.-1,929 c.121,593 d.2,811 e.1935      Log On


   

Question 469410: Use the remainder theorem to find P(7) for P(x)=7x^3-9x^2-4x+3
a.2,817
b.-1,929
c.121,593
d.2,811
e.1935
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Use synthetic division to get



7|7-9-43
 | 492801932
 --------------------------------------
  7402761935


Since the last entry is 1935, the remainder is 1935. So this means that P(7) = 1935

Note: let me know if you need any help with synthetic division