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Mathematics 14 Online
OpenStudy (anonymous):

Help me Please

OpenStudy (anonymous):

OpenStudy (anonymous):

What dat question be bruh?

OpenStudy (anonymous):

lol

OpenStudy (anonymous):

so what are the positive integers? can you list them?

OpenStudy (anonymous):

you have to match the word with the example

OpenStudy (anonymous):

yes, i know. did you me to match them for you?

OpenStudy (anonymous):

yes please

OpenStudy (anonymous):

too bad, i'm not here to do your work; i'm only here to help you learn. let me know when you're ready to learn and i'll do my best to help.

OpenStudy (anonymous):

help me

OpenStudy (anonymous):

please answer the previous question

OpenStudy (anonymous):

what are the positive integers and can you list them please?

OpenStudy (anonymous):

(that was the previous question).

OpenStudy (anonymous):

do you know what an integer is?

OpenStudy (anonymous):

if not, look here... http://www.mathsisfun.com/definitions/integer.html

OpenStudy (anonymous):

Do you know what a natural number is? if not, look here... http://www.mathsisfun.com/definitions/natural-number.html

OpenStudy (anonymous):

do you know what a sequence is? if not, look here... http://www.mathsisfun.com/definitions/sequence.html

OpenStudy (anonymous):

do you know what an infinite sequence is? if not, look here... http://www.mathsisfun.com/algebra/sequences-series.html

OpenStudy (anonymous):

are you still there?

OpenStudy (anonymous):

yeah

OpenStudy (anonymous):

so lets start with the 1st one

OpenStudy (anonymous):

on the left or right?

OpenStudy (anonymous):

positive integer

OpenStudy (anonymous):

okay, do you know what these are?

OpenStudy (anonymous):

yes 1,2,3,4,5 ...

OpenStudy (anonymous):

excellent! what else is this called?

OpenStudy (anonymous):

a sequence

OpenStudy (anonymous):

it could be, but it's something more specific

OpenStudy (anonymous):

wait an example of an infinite sequence because it can go on and on

OpenStudy (anonymous):

in other words, there's another term which better describes it. and yes, it is an infinite sequence too, but that's still not the best choice. look at some of the other choices.

OpenStudy (anonymous):

any ideas?

OpenStudy (anonymous):

nope except finite sequence

OpenStudy (anonymous):

do you know what the natural number are?

OpenStudy (anonymous):

whole numbers

OpenStudy (anonymous):

Natural Number The counting numbers from 1 upwards: 1, 2, 3, and so on ... No negative numbers and no fractions.

OpenStudy (anonymous):

whole numbers are very similar, except whole numbers include 0. I think of whole numbers as "hole" numbers because it adds the "hole", 0.

OpenStudy (anonymous):

so 1, 2, 3, ... can be thought of as a sequence, an infinite sequence and as the natural numbers. if we choose something other than natural numbers, is there another one on the right which could be the natural numbers also?

OpenStudy (anonymous):

if not, then the best choice for positive integers would be the natural numbers... yeah?

OpenStudy (anonymous):

we have to spped up bc i have to leave and im on the last proble of my assinment

OpenStudy (anonymous):

so lets spped up im here all the way

OpenStudy (anonymous):

k, so what's 1?

OpenStudy (anonymous):

natural

OpenStudy (anonymous):

very good. let's skip 2 and come back to it. look at number 3. any ideas on what best fits that on the left?

OpenStudy (anonymous):

sequence

OpenStudy (anonymous):

it is a sequence, but can it be better defined?

OpenStudy (anonymous):

is it finite or infinite?

OpenStudy (anonymous):

finite

OpenStudy (anonymous):

so would you say it is an example of a finite sequence? does that best describe it?

OpenStudy (anonymous):

?

OpenStudy (anonymous):

isn't it an example of a finite sequence?

OpenStudy (anonymous):

another example of a finite sequence would be 2, 5, 8, 11, 21

OpenStudy (anonymous):

so its infinite

OpenStudy (anonymous):

infinite means it keeps on going... forever and ever. finite means it stops at some point. it doesn't go on forever and ever.

OpenStudy (anonymous):

in other words, a finite sequence has a first and a last term. an infinite sequence has a first term but no last term because it keeps going.

OpenStudy (anonymous):

i made a 100% thanks so Much Man I appreciate it

OpenStudy (anonymous):

alrighy then, good luck!

OpenStudy (anonymous):

hey you there

OpenStudy (anonymous):

did you have any other questions?

OpenStudy (anonymous):

yes i do

OpenStudy (anonymous):

go ahead...

OpenStudy (anonymous):

-3, 6, -9, 12, -15, . . . Which of the following represents the general term for the sequence given?

OpenStudy (anonymous):

OpenStudy (anonymous):

sorry, the sequence obviously alternates in sign, and since it starts off negative, it should be of the form \(\left(-1\right)^n\) times something...

OpenStudy (anonymous):

now look at the numbers (not the signs) in your sequence. do you notice anything about how they change?

OpenStudy (anonymous):

hint, without the signs, the sequence would be 3, 6, 9, 12, 15, ...

OpenStudy (anonymous):

csn you please just help me on this oone i think i figured out the last one

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