SOLUTION: Let f(x) = 3x^3 + 8x^2 + 5x - 7. Use synthetic division to find f(-2). Thank u for giving me the answer for the first problem & you don't have to do number 3 because you alread

Algebra.Com
Question 1156629: Let f(x) = 3x^3 + 8x^2 + 5x - 7. Use synthetic division to find f(-2).
Thank u for giving me the answer for the first problem & you don't have to do number 3 because you already did it for me. Thanks again!

Answer by josgarithmetic(39838)   (Show Source): You can put this solution on YOUR website!
--------------------------------------------------
3x^3 + 8x^2 + 5x - 7. Use synthetic division to find f(-2).
-------------------------------------------------

f(-2) as if checking for possible factor of f, x+2.

-2    |     3    8    5     -7
      |
      |         -6   -4     -2
      |_____________________________
            3    2    1    -9


result:

RELATED QUESTIONS

1. Use synthetic division to divide p(x) = x^4 - 10x^2 - 2x + 4 by x + 3 2. Let f(x) = (answered by josgarithmetic)
Use synthetic division to find the value of f (-2) for f (x) = x ^3 - 3x^2 -... (answered by stanbon)
For f(x)=3x^4+7x^3-x^2+5x-4, use synthetic division to determine... (answered by stanbon)
Can you use synthetic division to evaluate the following? {{{ f(-2) }}} for {{{ f(x) =... (answered by josgarithmetic)
Use synthetic division and the remainder theorem to evaluate, find the exact value- no... (answered by richwmiller)
Please help me find the real zeros of this polynomial function:... (answered by jsmallt9)
use synthetic division to find the value of f(-2) for f(x)=x exponent 3 -3x exponent 2... (answered by venugopalramana)
1. Describe the behavior of the graph at the x-intercepts for the function... (answered by Boreal)
Use synthetic substitution to find f(-3) for... (answered by checkley71)