What is the remainder when (3x4 + 2x3 – x2 + 2x – 9) ÷ (x + 2) ?

Question

anonymous · Answer

is it 15 ?

ganeshie8 · Answer

yes ! did u use synthetic division ?

anonymous · Answer

yess i did .

ganeshie8 · Answer

great ! good job !!

anonymous · Answer

thankyou (::
   Which of the following is a polynomial with roots 4, –2, and 2 ? 

 x3 – 4x2 + 4x – 16

ganeshie8 · Answer

no

ganeshie8 · Answer

Did you try like below :-

(x-4)(x+2)(x-2)

ganeshie8 · Answer

?

anonymous · Answer

yess maybe i multiplied wrong. im going to retry. okk ill be right back okk ?  ill tagg you (:

ganeshie8 · Answer

ok u did oly a small mistake, good luck next time :)

anonymous · Answer

Which of the following is a polynomial with roots 4, –2, and 2 ? 
 x3 + 2x2 + 4x + 8

ganeshie8 · Answer

wrong

anonymous · Answer

im totally confused in what im doing wrong :(

ganeshie8 · Answer

il show u ok

ganeshie8 · Answer

4, –2, and 2 

(x-4)(x+2)(x-2)

(x-4)(x^2-4)

x^3 - 4x^2 - 4x + 16

anonymous · Answer

x3 – 4x2 + 4x – 16 

 x3 + 4x2 + 4x + 16 

 x3 + 2x2 + 4x + 8 

 x3 – 2x2 + 4x – 8

anonymous · Answer

those are the choices though

ganeshie8 · Answer

clearly choices are wrong

ganeshie8 · Answer

ganeshie8 · Answer

clarify this q wid ur teacher, we should move on proly :)