Choose one or more of the following descriptions for each expressions. (a) polynomial, (b) polynomial written in descending order, (c) not a polynomial.

i) -6w3+ 7w2 + 2w -11

ii) x5 + x9

iii) 4y3 - 3y + 2/y

iv) 3a5 -2a3 - 6a-1 + 15

v) j-1

vi) k6 - k4 + 3k - 2

Question

Choose one or more of the following descriptions for each expressions. (a) polynomial, (b) polynomial written in descending order, (c) not a polynomial.

i) -6w3+ 7w2 + 2w -11

ii) x5 + x9 

iii) 4y3 - 3y + 2/y

iv) 3a5 -2a3 - 6a-1 + 15

v) j-1

vi) k6 - k4 + 3k - 2

anonymous · Answer

when you say '-6w3' is that w^3 or w_subscript 3 or w times 3?

anonymous · Answer

w times 3 @hexafx

anonymous · Answer

@jdag so for ii) x5 + x9,  this is 5x+9x=14x? I just want to clarify

anonymous · Answer

uhhh i guess so @hexafx