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Math Classes

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1--- Math Classes on Fri Dec 10, 2010 10:59 pm

Esp

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Well, Blaze needed help with his studying, and that brought this idea into my head.

So, what Math level to YOU have? Post, if you can, a problem for the kind of math you're doing and see if others understand it.

I'm in Algebra 1, and we just did out Chapter 5 test, which was mostly on slope.

y=2x+4

y-2=2(x+1)

4=2x-y

And joy, my Mid-Term is on Wednesday. That will be fun. >_>

Now you post~

2--- Re: Math Classes on Fri Dec 10, 2010 11:13 pm

Nellie Lovett

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...That's creepy. When I was in eighth grade I had something almost exactly like that. .__.
So yes lol, I understand it. c:

Don't have any problems to post because my book's at school. c:


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3--- Re: Math Classes on Fri Dec 10, 2010 11:15 pm

ShutterBox

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I just finished College Calculus 1.

Knowing that sinh x = (e^x - e^-x)/2 and cosh x = (e^x + e^-x)/2

Prove that:

d/dx(sinh x) = cosh x

Answer:
Spoiler:
d/dx (sinh x) = cosh x
d/dx ((e^x - e^-x)/2) = cosh x
1/2 d/dx (e^x - e^-x) = cosh x
1/2 (e^x - (-1)(e^-x)) = cosh x
1/2 (e^x + (e^-x)) = cosh x
(e^x + (e^-x))/2 = cosh x
cosh x = cosh x


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4--- Re: Math Classes on Fri Dec 10, 2010 11:37 pm

griffinheart

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Shutter... I cannot wait for Pre-Cal next year .-. Thank you for making everything so much easier to deal with xDDD


Algebra 2~


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5--- Re: Math Classes on Sat Dec 11, 2010 12:07 am

Blaze

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Im in Geometry and ITS A PAIN (for me T^T)


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6--- Re: Math Classes on Sat Dec 11, 2010 12:33 am

Jenrya Miku

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Screw math.
pika math.
It should do itself.


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7--- Re: Math Classes on Sat Dec 11, 2010 4:12 am

kommeo

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I rather not show you the math I have to do xD. If you count stats as math then yeah, but I know alot math stuff o3o


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8--- Re: Math Classes on Sat Dec 11, 2010 10:22 am

[Meap]Katniss~<3

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I'm in seventh grade and we just had a test on slope, Chapter 5 to be exact.

Here is a problem from our homework for the weekend:

Write an equation in standard form of the line that passes through the two points.

45. (1,4) (5,7)

7-4 3
--- = --
5-1 4


y = 3/4x + b

4 = 3/4(1) + b
4 - 3/4 = b
3 1/4 = b

Y = 3/4 x + 3 1/4
-3 1/4 = 3/4x - y
-13 = 3x - y


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9--- Re: Math Classes on Sat Dec 11, 2010 10:30 am

Guest

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I'm in 6th grade we JUST started area but we just got finished with order of operations
Example:
9+8*3/2-1
9+24/2-1
9+12-1
21-1
20



Last edited by Dern_Cattle on Sat Dec 11, 2010 10:31 am; edited 1 time in total (Reason for editing : did math wrong XD)

10--- Re: Math Classes on Sat Dec 11, 2010 11:19 am

griffinheart

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x_x Wow... I wish we could be doing such easy stuff right now... wait.. what were we even doing yesterday? x_x *was doodling in class*
i think it had to do with fractional exponents, and cubed roots... but eh


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11--- Re: Math Classes on Sat Dec 11, 2010 11:37 am

ThisGuy

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I'm in Advanced Functions and Modeling right now. It's pretty easy for me, but only if you take a boatload of notes.


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12--- Re: Math Classes on Sun Dec 12, 2010 6:03 pm

Cindergh

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YOU GUYS SHOULDNT HATE MATH! I guess I agree that it can sometimes be reallllyyyyyyyyyyyy boring but y'know. Without math..... WE WOULDNT BE ABLE TO MAKE PIZZA OR OR OR BUY STUFF OR COUNT OR OR TELL WHAT YEAR IT IS OR OR..... OTHER STUFF


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13--- Re: Math Classes on Sun Dec 12, 2010 6:30 pm

Melon

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Cindergh wrote:YOU GUYS SHOULDNT HATE MATH! I guess I agree that it can sometimes be reallllyyyyyyyyyyyy boring but y'know. Without math..... WE WOULDNT BE ABLE TO MAKE PIZZA OR OR OR BUY STUFF OR COUNT OR OR TELL WHAT YEAR IT IS OR OR..... OTHER STUFF

Or have computers and cell phones and other crap with software. You guys should respect math a lot more.

I like math. It's easy once you know it. I'm in Geometry and we've done mostly stuff I already know this semester. Hopefully it will get interesting next semester. Recently we've been doing "Find x" problems, and those are so easy it's not even funny...
Some of you are in slope? Slope is easy and the people in my Geometry class should already know slope. I don't know why we reviewed slope so much ><


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14--- Re: Math Classes on Sun Dec 12, 2010 7:11 pm

ShutterBox

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[Meap]Katniss~<3 wrote:I'm in seventh grade and we just had a test on slope, Chapter 5 to be exact.

If you ever want to take calculus when you get into high school/college. You should remember this stuff.

Calculus is just mostly focused on derivatives. A derivative is the slope of the tangent line off of a certain point(or off of the entire graph) on the graph.

It's actually pretty fun. ^^


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15--- Re: Math Classes on Mon Dec 13, 2010 1:25 pm

Jojo-Kunn

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I just done my Maths Prelims today. This is the sort of stuff I do. ( I is in top class. o3o )

http://www.sqa.org.uk/pastpapers/papers/papers/2010/SC_Mathematics_Paper-1-%28Non-calculator%29-and-Paper-2_2010.pdf


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16--- Re: Math Classes on Mon Dec 13, 2010 6:04 pm

Clover

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I don't have to do math anymore *laughs at you all*

BWAHAHAHAHAHA

but I feel Komms on the stats Sad That was evil.

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17--- Re: Math Classes on Mon Dec 13, 2010 6:54 pm

Cindergh

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Melon wrote:
Cindergh wrote:YOU GUYS SHOULDNT HATE MATH! I guess I agree that it can sometimes be reallllyyyyyyyyyyyy boring but y'know. Without math..... WE WOULDNT BE ABLE TO MAKE PIZZA OR OR OR BUY STUFF OR COUNT OR OR TELL WHAT YEAR IT IS OR OR..... OTHER STUFF

Or have computers and cell phones and other crap with software. You guys should respect math a lot more.

I like math. It's easy once you know it. I'm in Geometry and we've done mostly stuff I already know this semester. Hopefully it will get interesting next semester. Recently we've been doing "Find x" problems, and those are so easy it's not even funny...
Some of you are in slope? Slope is easy and the people in my Geometry class should already know slope. I don't know why we reviewed slope so much ><

At least someone agrees with me!! Smile In a sense... :O


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18--- Re: Math Classes on Mon Dec 13, 2010 6:59 pm

Guest

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i luv math. i miss it. haven't gone to class cuz im still sick enough NOT to go to school. at least i can do the homework!

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