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Mathematics 26 Online
OpenStudy (18jonea):

could someone please check a problem for me please?

OpenStudy (18jonea):

@jagr2713

OpenStudy (18jonea):

@518nad

OpenStudy (vuriffy):

Please post whichever thing you want to be reviewed.

OpenStudy (18jonea):

this is the first part, which i assume i just look at it,

OpenStudy (18jonea):

and this is the second part which i got this

OpenStudy (18jonea):

OpenStudy (18jonea):

would i do anything for the first par?

OpenStudy (18jonea):

@mathmale

OpenStudy (18jonea):

@wolf1728

OpenStudy (18jonea):

@Vuriffy

OpenStudy (vuriffy):

What is the given information to transform that image? The second part seems right since you expressed them in a graphing program.

OpenStudy (18jonea):

what do you mean

OpenStudy (vuriffy):

It says transform the graph according to the given information, for the first picture you posted, what is the given information to transform it?

OpenStudy (18jonea):

OpenStudy (18jonea):

i would assume it has something to do with this graph

OpenStudy (vuriffy):

Yes, but I may a little confused on what it is truly asking. I am not sure if it wants to compare the two different plots displayed in the graph, or if it wishes to transform it in some way. Maybe @wolf1728 can clear this for me, since I am not a graph person.

OpenStudy (wolf1728):

You've posted 3 graphs It seems to me that the a,b,c,d question is answered in the graphoc that shows the straight lines

OpenStudy (18jonea):

yes

OpenStudy (18jonea):

that is the abcd part we just dont know what the first part means

OpenStudy (wolf1728):

I have no idea what that 3rd graph (the one shaped like a "U") has to do with anything.

OpenStudy (18jonea):

which one?

OpenStudy (wolf1728):

It would really help if you NAMED those graphs ... but anyway, the problem with the a,b,c,d parts is ANSWERED by the graph with the straight lines. The 3rd graph (shaped like a "U") doesn't seem to figure into this at all.

OpenStudy (18jonea):

ok so i will just go with my graphs

OpenStudy (vuriffy):

Good job.

OpenStudy (18jonea):

I have a couple more problems could you guys help me out?

OpenStudy (wolf1728):

Okay here is the question and answer pasted together.

OpenStudy (18jonea):

ok thank you could you help with a couple more?

OpenStudy (wolf1728):

all right let's try one more

OpenStudy (18jonea):

in a new post?

OpenStudy (wolf1728):

No - you can post it right here

OpenStudy (18jonea):

ok is there anyway you could do three more? amd then i promise you im done

OpenStudy (wolf1728):

Let's try one at a time

OpenStudy (18jonea):

ok first one

OpenStudy (18jonea):

i think they would be -1,4,2

OpenStudy (wolf1728):

You are correct!! That's very good that you can solve a cubic equation!

OpenStudy (18jonea):

thank you!! 2 more?

OpenStudy (wolf1728):

Okay go ahead

OpenStudy (18jonea):

thank you!!!

OpenStudy (18jonea):

Find a third-degree polynomial function with integer coefficients that has 2, 7i, and -7i as zeros. i have no ide what to do

OpenStudy (wolf1728):

I'd say you would have to multiply this: (x-2) * (x-7i) * (x+7i)

OpenStudy (18jonea):

x^(3)-2x^(2)+49x-98

OpenStudy (wolf1728):

I guess those "i" cancel out huh?

OpenStudy (18jonea):

yeah i guess

OpenStudy (wolf1728):

I used my cubic equation calculator here: http://www.1728.org/cubic.htm and it seems that you multiplied those correctly!

OpenStudy (18jonea):

ok thank you one more?

OpenStudy (wolf1728):

Okay, one more

OpenStudy (18jonea):

Again not a clue

OpenStudy (wolf1728):

I used my cubic equation calculator again and the answers I got were 2 1 +4i 1 -4i As far as solving that equation I have a method here: http://www.1728.org/cubic2.htm Then again, they do give you 1 answer 1 + 4i so that must help you out somehow.

OpenStudy (18jonea):

i just need the zeros, so they would be 2 1 +4i 1 -4i

OpenStudy (wolf1728):

Yes, that is correct.

OpenStudy (18jonea):

ok thank you so much

OpenStudy (wolf1728):

u r welcome and please visit my website it could help you with other math prolems http://www.1728.org/

OpenStudy (18jonea):

ok could you help me tomorrow night?

OpenStudy (18jonea):

@wolf1728

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