Question

Help with polynomials?

Below I have attached a table that corresponds to this question:

Which polynomial represents the dividend for the division problem shown?

My options are:

3x^3 - 4x^2 + 2x - 1

-3x^2 + 7x - 9

3x^3 - 7x^2 + 9x - 10

3x^2 - 7x +9

Help would be appreciated.

Answer 1

when u do the division : x/a
x is called dividend
a is called divisor

Answer 2

u familiar wid synthetic division ?

Answer 3

Not really, I'm just really confused on this problem. On my homework, this is the only problem like this..

Answer 4

look at top row

Answer 5

forget the first number

Answer 6

in synthetic division,
top row gives u divisor and dividend

Answer 7

gimme a sec, il attach a pic may be

Answer 8

That'd be great! Thank you for helping too btw

Answer 9

red field is divisor
green fields are dividend

Answer 10

3 -4 2 -1

3x^3 - 4x^2 + 2x - 1

Answer 11

Oh that makes more sense now.

Answer 12

good :)
the given table is just a simple synthetic division setup.
synthetic division is easy and very useful, u should master it someday :)