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PRE-CALC HALP AAAAAAA

Started by Silverhawk79, December 06, 2007, 05:10:49 PM

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Silverhawk79

Quote from: TheKoopaBros. on December 06, 2007, 06:33:32 PM
Don't you just need to come up with a greatest common factor for all the denominators to cancel and simplify?

I've done similar problems and I remember having to do that.
Yeah, but then I forget which things to cancel out. :(

Rius

Dude, that's hard as heck to read, but I'll help.

Rius

Quote from: Silverhawk79 on December 06, 2007, 05:10:49 PM
I have a take-home test due tomorrow, and I need sum halp.

"Simplify the compound fraction. SHOW YOR WORK! (4 pts)

[(1/x + 1) + (1/2)] / (3/2X2 + 4X + 2)
kthx ^_^

Much better, now to solve...

Termanian_Knight

Teh answer:

x3 + 3x2
----------------------------
8x4 + 12x3 + 4x2 + 3x + 3

Multiply top and bottom by both 2x2 and (x +1). That's as simple as you can get without going into the realm of imaginary numbers.

Rius

Quote from: Termanian_Knight on December 06, 2007, 06:48:55 PM
Teh answer:

x3 + 3x2
----------------------------
8x4 + 12x3 + 4x2 + 3x + 3

Multiply top and bottom by both 2x2 and (x +1). That's as simple as you can get without going into the realm of imaginary numbers.
??? I got:
x(3x + 2)
--------------------------------------------
8x3 + 4x2 + 3

Rius

#20
Quote from: NINNIN6 on December 06, 2007, 06:55:36 PM
Quote from: Termanian_Knight on December 06, 2007, 06:48:55 PM
Teh answer:

x3 + 3x2
----------------------------
8x4 + 12x3 + 4x2 + 3x + 3

Multiply top and bottom by both 2x2 and (x +1). That's as simple as you can get without going into the realm of imaginary numbers.
??? I got:
x(3x + 2)
--------------------------------------------
8x3 + 4x2 + 3

From what I see, I'm right if you solve it the way Silver wrote it, but Termanian_Knight is right if there's a parenthesis in this part...

1/(x + 1) + 1/2

Silverhawk79

Quote from: NINNIN6 on December 06, 2007, 06:55:36 PM
Quote from: Termanian_Knight on December 06, 2007, 06:48:55 PM
Teh answer:

x3 + 3x2
----------------------------
8x4 + 12x3 + 4x2 + 3x + 3

Multiply top and bottom by both 2x2 and (x +1). That's as simple as you can get without going into the realm of imaginary numbers.
??? I got:
x(3x + 2)
--------------------------------------------
8x3 + 4x2 + 3

Aaaaaaaa, make up your mind. D:

Syncopathic

repeat 9th grader: wuts a compund number/fraction O_O

Rius

Quote from: Silverhawk79 on December 06, 2007, 07:01:33 PM
Quote from: NINNIN6 on December 06, 2007, 06:55:36 PM
Quote from: Termanian_Knight on December 06, 2007, 06:48:55 PM
Teh answer:

x3 + 3x2
----------------------------
8x4 + 12x3 + 4x2 + 3x + 3

Multiply top and bottom by both 2x2 and (x +1). That's as simple as you can get without going into the realm of imaginary numbers.
??? I got:
x(3x + 2)
--------------------------------------------
8x3 + 4x2 + 3

Aaaaaaaa, make up your mind. D:
Look at the post above yours. ::)

Termanian_Knight

Quote from: Silverhawk79 on December 06, 2007, 07:01:33 PM
Aaaaaaaa, make up your mind. D:

So what is it at the beginning of the problem? (1/x) + 1 or 1/(x+1)?

Silverhawk79


Termanian_Knight

Quote from: Silverhawk79 on December 06, 2007, 07:10:35 PM
Quote from: Termanian_Knight on December 06, 2007, 07:08:13 PM
Quote from: Silverhawk79 on December 06, 2007, 07:01:33 PM
Aaaaaaaa, make up your mind. D:

So what is it at the beginning of the problem? (1/x) + 1 or 1/(x+1)?
1/(x+1)

I'M DA WINRAR!!!1!1

The answer I posted is the 'correct' one.

Syncopathic


Termanian_Knight


Syncopathic