Sunday

December 28, 2014

December 28, 2014

Posted by **Jen** on Monday, October 11, 2010 at 7:58pm.

Find the value of k so that the polynomial

Q(x)= x^3 - k^2x^2 + k(5x-9)- 12

has a remainder of 1 when divided by x + 2

- college math -
**Reiny**, Monday, October 11, 2010 at 9:05pmIf you studied the remainder theorem then you know that

Q(-2) = 1

-8 - 4k^2 + k(-19) - 12 = 1

arrange as a standard quadratic and solve for k

**Answer this Question**

**Related Questions**

math - 1.) when the expression 4x^2-3x-8 is divided by x-a, the remainder is 2. ...

Algebra - If p(x) is a polynomial and is divided by (x-k) and a remainder is ...

Math - repost for Anonymous - Can someone show me the steps to these questions (...

college algeb - when ax^2+bx+c is divided by x-1, the remainder is 10 if the ...

Math - How many integers between 200 and 500 inclusive leave a remainder 1 when ...

Math - How many integers bewteen 200 and 500 inclusive leave a remainder 1 when ...

maths - f(x)=px^3 + 6x^2 + 12x + q given that the remainder when f(x) is divided...

Math ( Polynomial ) - If the polynomial, x^4 - 6x^3 + 16x^2 - 25x + 10 is ...

math - When a polynomial is divided by (x+2), the remainder is -19. When the ...

the remainder theorem - Please Help!! - i'm really not sure how to do this ...