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## minnie123 3 years ago ***Help Wanted*** ***Medal and Fan Earned*** *** Attachment Below***

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1. minnie123

2. amistre64

use the rational roots thrm

3. nubeer

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

4. amistre64

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

5. amistre64

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

6. nubeer

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

7. minnie123

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

8. amistre64

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

9. minnie123

factors? 3*1; 2*2

10. minnie123

or just 3 ; 2

11. amistre64

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 $\frac{1,3}{1,2,4}\to~\frac{1}{1},\frac{3}{1},\frac{1}{2},\frac{3}{2},...$

12. amistre64

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

13. minnie123

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

14. amistre64

good :)

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