Part 1: Determine whether 2 is a zero of the polynomial P(x) = 3x3 – 6x2 – 3x – 18 by using the Remainder Theorem. Show your work. (4 points)

Part 2: Explain how the Remainder Theorem is useful in finding the zeros of a polynomial function. (4 points)

Question

Part 1: Determine whether 2 is a zero of the polynomial P(x) = 3x3 – 6x2 – 3x – 18 by using the Remainder Theorem. Show your work. (4 points) 

Part 2: Explain how the Remainder Theorem is useful in finding the zeros of a polynomial function. (4 points)

cwrw238 · Answer

plug in 2 for x in P(x) and work it out

cwrw238 · Answer

P(2) = 3(2)^3 - 6(2)^2 - 3(2) - 18 = ?

if this comes to 0 then 2 is a xero of P/(x)

anonymous · Answer

yeah i was in the process of working it out i got -24 . so alright gotcha . thanks

cwrw238 · Answer

yw