Question

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Answer 1

use the rational roots thrm

Answer 2

put each of the option in place of x one by one .. for which ever options your answer comes 0. that should be the answer

Answer 3

all potential rational roots are of the form:
\[\pm\frac{factors~last \#}{factors~first\#}\]

Answer 4

nubeer ... that method would only be viable if it asked for the actual roots; this is asking for the potential roots

Answer 5

ohh.. ok my bad.. thanks for pointing.

Answer 6

can one of yu give me an example by using one of the possible answers from the list or with something to get a clearer understanding please

Answer 7

sure, can you tell me the factors of 3? and the factors of 4? since those are the first and last numbers in the polynomial

Answer 8

factors? 3*1; 2*2

Answer 9

or just 3 ; 2

Answer 10

your on the right track :)

the factors of 3: 1,3
the factors of 4: 1,2,4

this creates a pool of potential options of the form:\[\pm\frac{1,3}{1,2,4}\]
we can start writing the individual parts by using a terms from the top and bottom as such
\[\frac{1,3}{1,2,4}\to~\frac{1}{1},\frac{3}{1},\frac{1}{2},\frac{3}{2},...\]

Answer 11

the selection choices are then askling you for all the possible rational numbers (and hence real numbers) that you constructed

Answer 12

i think i know what to do now i'll do it and come back and tell you what i get as answers...

Answer 13

good :)