Use the Rational Zeros Theorem to write a list of all possible rational zeros of the function. f(x) = -2x^4 + 4x^3 + 3x^2 + 18

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Use the Rational Zeros Theorem to write a list of all possible rational zeros of the function. f(x) = -2x^4 + 4x^3 + 3x^2 + 18

Mathematics
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Lol do you need help with this one ?
please !!!!!!!!!
what are the factors of the leading coefficient? what are the factors of the constant term?

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Similar problem as an example ; f(x) = -2x^3 + 3x^2 -2x +8 Solution: Factors of the constant term (8) / Factors of the leading coefficient (-2) so that would be: 1, 2, 4, 8 / 1, 2 So then each numerator over each denominator is a rational zero.... +/- 1/1, +/- 2/1, +/- 4/1, +/- 8/1, +/- 1/2, +/- 2/2, +/- 4/2, and +/- 8/2 Simplified: +/- 1, +/- 2, +/- 4, +/- 8, +/- 1/2, +/-1, +/- 2, and +/- 4 There are some duplicates so you can "drop" them... So your final answer is: +/- 1/2, +/- 1, +/- 2, +/- 4, +/- 8
omg this is so confusing
f(x) = -2x^4 + 4x^3 + 3x^2 + 18 constant term? Factors of the leading coefficient?
http://softmath.com/tutorials-3/reducing-fractions/the-real-zeros-of-a-polynomial.html
factors of 2: 1,2 factors of 18: 1,2,3,4,6,18 so some examples include 1/1,1/2,2/1,2/2,3/1,3/2,...
ok
so what are constant term? Factors of the leading coefficient? and do i need to do that for every number?
-2 and 18 Sorry I'm helping alot of ppl at the same time
factors of 2: 1,2 factors of 18: 1,2,3,4,6,18 factors of 4: 1,2,4 factors of 13: 1,3,
3 not 13
The leading term of a polynomial is the term of highest degree. The leading coefficient of a polynomial is the coefficient of the leading term. The degree of a polynomial is the degree of the leading term.
leading term 4 leading coefficient -2
I'm lost right now
i am too
@200205650 Please help....Srry
http://www.mcg.net/nelson/CHAT/math/precalculus/overheads/sec.%202.5.pdf
So you are pretty much solving for x in this equation right?
i don't really know :O
http://www.virtualnerd.com/tutorials/?id=Alg2_06_01_0020
This video might help in solving this problem. And yes you are trying to find what are all the numbers that can equal x. Factoring is one way of solving this problem. I can help you if you don't know how to factor this problem.
i just saw the video, but still i can't understand
Did you watch the whole thing?
yes
jk
i didn't
i saw the beginning
Okay why don't you watch that video and I'll try to solve this problem using factoring. Is that fine?
thank you
No problem!
@DanTheMan99 check this out http://www.wolframalpha.com/input/?i=f%28x%29+%3D+-2x%5E4+%2B+4x%5E3+%2B+3x%5E2+%2B+18
\[-2x^4+4x^3+3x^2+18\]\[-2x^3(x-2)+3(x^2+6)\]\[(-2x^3+3)(x-2)(x^2+6)\] Equation #1:\[(-2x^3+3)=0\]\[-2x^3=-3\]\[x^3=\frac{ 3 }{ 2 }\]\[x=0.72112\] Equation#2: \[(x-2)=0\]\[x=2\] Equation #3:\[(x^2+6)=0\]\[x^2=-6\]\[x=\sqrt{6}i\]
thank you guys so much
You're welcome!
Greatly done, @200205650
Thanks!
+ 1/2, + 1, + 2, + 4, + 8, - 1/2, - 1, - 2, - 4, and -8.
i don't know how to answer
like how to put it into words
ugh
@nono266 please help me
what should i write
you have it written fine
i know but whats my explanation
like what proof can i give
there is no need to do so
are you sure
100% positive
is this flvs?
yeah
ok then yeah you do not need to
for sure
it is fine if you have the right answer then they know you understand it
ok thanks
do i get 10 owl bucks because i need them
?????????????
do you have paypal?
no
can you ask the question for me and i go under it. ask a qualified helper question
ask the question as ALGEBRA 1 HELP THEN I WILL ADD THE REST

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