question #14

Question

Use synthetic division to decide whether the given number is a zero of the polynomial function.

-3;P(x)=3x^3+8x^2-6x-12

Is -3 a zero of the polynomial function P(x)?

_ Yes 

_ No 

 

help is greatly appreciated, thank you!

Answer 1

3x³+8x²-6x-12 =3x²-x-3 with a remainder of -3. So no -3 is not a zero of the polynomial.

    x+3