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Mathematics 21 Online
OpenStudy (anonymous):

What the hell is ascending order? Really frustrated. help is appreciated. Identify the polynomial written in ascending order. 8x3+ 2x2- 6x - 11 2x2- 11 + 8x3- 6x -6x + 8x3- 11 + 2x2 -11 - 6x + 2x2+ 8x3

zepdrix (zepdrix):

Think about a stair case. When you ascend the stairs, you walk up the stairs. Ascending order means from `smallest` to `largest`.

OpenStudy (anonymous):

ah okay. so the smallest number to the largest.

zepdrix (zepdrix):

In this case, order refers to the `exponents`.

OpenStudy (anonymous):

hmm i dont see exponents

zepdrix (zepdrix):

Yah they're a little hidden on a few of them. That's just notation you need to get used to in algebra. Let's look at this one a sec. \[\Large\bf\sf -6x+8x^3-11+2x^2\]

zepdrix (zepdrix):

Another way we can write it is like this:\[\Large\bf\sf -6x^1+8x^3-11x^0+2x^2\] Anything to the 0 power is just one. So -11(times 1) is the same as -11times x^0.

OpenStudy (anonymous):

hm.ok

zepdrix (zepdrix):

Hmm so you can see the exponents now, yes? They count 1, 3, 0, 2... hmm no good.

OpenStudy (anonymous):

so would it be 11x0 then -6x then 2x then 8x?

zepdrix (zepdrix):

"so would it be 11x0 then -6x then `2x^2` then `8x^3`?" Yes, good!

OpenStudy (anonymous):

oh fabulous

OpenStudy (anonymous):

thank you person for sharing your knowledge

zepdrix (zepdrix):

yay team \c:/ np

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