SOLUTION: If f(x)+{(x^3)-(3x^2)+ax-15} is divided by (x-3) and remainder is (-9), find 'a'.
Algebra.Com
Question 752638: If f(x)+{(x^3)-(3x^2)+ax-15} is divided by (x-3) and remainder is (-9), find 'a'.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
If f(x) = {(x^3)-(3x^2)+ax-15} is divided by (x-3) and remainder is (-9), find 'a'.
----------
f(3) = -9
----
3^3 -3*3^2 + 3a - 15 = -9
3a-15 = -9
3a = 6
a = 2
=============
Cheers,
Stan H.
=================
RELATED QUESTIONS
a polynomial f(x) with rational coefficients leaves remainder 15 when divided by x-3 and... (answered by KMST)
When f(x)= ax^2+bx-4 is divided by x+2, the remainder is -2. When f(x) is divided by x+3, (answered by josgarithmetic)
The remainder when x^3+ax+b when divided by (x^2-1) is x+2. Find a and... (answered by ikleyn)
The remainder of x^3+ax+b when divided by (x^2-1) is x+2. Find a and... (answered by MathLover1,josgarithmetic,ikleyn)
When the polynomial F(x) of degree 3 is divided by x-1,the remainder is -1.When F(x) is... (answered by ikleyn)
When {{{ax^3-x^2+3x+b}}} is divided by x - 2, the remainder is 59. When it is divided... (answered by math_tutor2020)
when a polynomial f(x) is divided by (x-3) the remainder is -9 and when divided by... (answered by robertb)
When a polynomial f(x) is divided by x-3 the remainder is -9 and when divided by 2x-1 the (answered by MathLover1,ikleyn)
If f(x)=ax^4 +bx^3 -x^2 +2x +3 has a remainder 11 when divided by x-2and has a remainder... (answered by josgarithmetic)