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A&M Are You Kidding?

A&M Are You Kidding?

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by: fcabanski Active Indicator LED Icon 16 OP 
~ 10 years ago   Feb 28, '14 5:54pm  
Texas A&M provides online resources for students to prepare for entrance exams.  The materials include quizzes and answer guides for the quizzes.  The answer guides are full of mistakes.For example, answers to questions about symmetry confused symmetry about an axis with a function being a reflection of another function over an axis.To see the difference, visit wolframalpha.com.  Type x^2 into the search box.  Look at the graph.  Type -x^2 into the search box. Look at the graph.  -x^2 is a reflection of x^2 over the x-axis. -x^2 is what you would see in a mirror on the x-axis, when you graphed x^2.But x^2 and -x^2 have symmetry over the y-xis.  This is also known as even parity.  If you reflect them over the y-axis, they still look the same.  The A&M quiz answer claims -x^2 has symmetry over the x-axis.  Whoever wrote the answer guide is confusing "-x^2 is a reflection of x^2 across which axis" with "-x^2 has symmetry over which axis".Another "answer" is incorrect, because whoever wrote it dropped a negative sign.Students "preparing" for A&M's entrance exam using A&M's prep materials are getting bad info. 4951
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BooBear Active Indicator LED Icon 16
~ 10 years ago   Feb 28, '14 6:05pm  
The nerve!!! 4951
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fcabanski Active Indicator LED Icon 16 OP 
~ 10 years ago   Feb 28, '14 6:40pm  
It's a pretty big deal to provide incorrect answers for quizzes meant to prepare students for an exam.On the prep page A&M relates to students how tough the 151 math class is.  A&M relates that all the Engineering students at A&M were good at math in HS.  A&M tells students most of them won't be able to cut it.  A&M basically brags about the high level of math taught at the school, then A&M provides a resource full of mistakes.If the answer keys for tests students take during the course are like this, the students won't be able to cut it.  Right answers will be graded as wrong answers. 4951
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analogkid Active Indicator LED Icon 3
~ 10 years ago   Feb 28, '14 7:22pm  
A&M is a very good school, like many other very good schools around the nation.  It is special on a local basis.  Their math foundation, like many other engineering schools' foundations, are meant to be weed outs, much like the intro engineering classes such as thermodynamics.  I'd be interested to peek into this "resource" more, as well as being interested in knowing who constructed these resources.  Probably some grad student's "task" to help earn their way through. 4951
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elguapo Active Indicator LED Icon 15
~ 10 years ago   Feb 28, '14 7:25pm  
My guess is, if you can point out all of the mistakes..... EASY "IN" FOR YOU Then.... Right? 4951
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topcat Active Indicator LED Icon 12
~ 10 years ago   Feb 28, '14 7:35pm  
You lost me at x.
I found mistakes all the time in my Speech class exams. Teacher was a bone head. There were also mistakes in our textbooks so I'm not surprised at all. 4951
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BowtieGuy Active Indicator LED Icon 5
~ 10 years ago   Feb 28, '14 8:34pm  
I did that equation over & over & over & not really, actually I'm surprised I was bored enough to even comment.....HOOK 'EM !!!!! 4951
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Jake_Bob Active Indicator LED Icon 1
~ 10 years ago   Feb 28, '14 10:12pm  
These problems must be much harder than one would think.  They were trying to solve for X , 40 years ago when I was in collage.  I would have expected someone to come up with an answer by now. 4951
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Retired_Engineer Active Indicator LED Icon 13
~ 10 years ago   Feb 28, '14 10:19pm  
These problems must be much harder than one would think.  They were trying to solve for X , 40 years ago when I was in collage.  I would have expected someone to come up with an answer by now.
 
@Jake_Bob:        X = anything you want it to beHe's talking about the different chart shapes you get for different X derivatives/factors
4951
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topcat Active Indicator LED Icon 12
~ 10 years ago   Mar 1, '14 3:23am  

- - - - - - - -
>> These problems must be much harder than one would think.  They were trying to solve for X , 40 years ago when I was in collage.  I would have expected someone to come up with an answer by now.
 
@Jake_Bob:        X = anything you want it to beHe's talking about the different chart shapes you get for different X derivatives/factors
 
@Retired_Engineer: I want my x to be a jelly donut. MMMMM Jelly donut...
4951
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jax Active Indicator LED Icon 16
~ 10 years ago   Mar 1, '14 7:00am  
Of course they have wrong answers...they're aggies. Idiots aplenty!!!
 
4951
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herron1345 Active Indicator LED Icon 16
~ 10 years ago   Mar 1, '14 10:07am  
A guy walks into a
bar and says to the bartender, "Hey bartender, I know a great Aggie
joke. You want to hear it?" The bartender says, "Well, before you tell
it I should probably tell you that I went to A&M. And you see those
two big guys sitting next to you -- they were linebackers for the
A&M football team. And those two guys on your other side -- they're Army Rangers, and they used to be Cadets at A&M. Now, are
you sure you really want to tell that Aggie joke?" The guy thinks for a second. "I guess not," he said. "I wouldn't want to have to explain it five times."
4951
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calliecat Active Indicator LED Icon 10
~ 10 years ago   Mar 1, '14 10:10am  
@herron1345That was funny!    I am so glad my son is not going to Texas A&M!  Emoticon 4951
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fcabanski Active Indicator LED Icon 16 OP 
~ 10 years ago   Mar 1, '14 3:31pm  
I was going over the practice quizzes/answers again this afternoon.  It's worse than I thought.  Some of the quiz questions are mis-worded, or give the answer in the question.For example:  "Determine whether 2^x or x^10 increases faster.  Note: It can be shown that no matter the value of n, 2^x eventually gets larger than x^n."What's the definition of "faster"?  2^x is bigger once x is a little more than 57.  But up until then, 10^x is the bigger number.  The problem uses "eventually" as the definition of "faster".  The problem provides the answer within that definition. 4951
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BooBear Active Indicator LED Icon 16
~ 10 years ago   Mar 1, '14 3:34pm  
@fcabanski
 
you need a girlfriend 4951
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Fallon Active Indicator LED Icon 18
~ 10 years ago   Mar 1, '14 3:43pm  
Removed By Request 4951
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