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#476 2010-12-30 00:38:08

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Oral puzzles

Hi ganesh;

Yes, also -4 for the last answer I forgot that one.


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#477 2010-12-30 23:25:19

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,379

Re: Oral puzzles

Hi bobbym,

The solution to 865 is perfect. Brilliant!

#866. Give the nature of the roots of the equation x[sup]2[/sup] - 8x + 12 = 0.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#478 2010-12-31 01:04:11

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Oral puzzles

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#479 2010-12-31 21:32:23

Howardroark
Member
Registered: 2010-10-10
Posts: 382

Re: Oral puzzles

Hi ganesh,

Last edited by Howardroark (2010-12-31 21:33:25)


I come from a civilization which has given the world the number 0..

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#480 2010-12-31 21:34:47

Howardroark
Member
Registered: 2010-10-10
Posts: 382

Re: Oral puzzles

Hi,


I come from a civilization which has given the world the number 0..

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#481 2011-01-01 01:46:06

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,379

Re: Oral puzzles

Hi bobbym and Howardroark,

The solutions to 865 and 866 are correct. Perfect!

#867. If p,q are the roots of x[sup]2[/sup] - 6x + 8 = 0, then what is p[sup]2[/sup] + q[sup]2[/sup]?


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#482 2011-01-01 01:59:18

Howardroark
Member
Registered: 2010-10-10
Posts: 382

Re: Oral puzzles

Hi Ganesh,


I come from a civilization which has given the world the number 0..

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#483 2011-01-02 00:15:53

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,379

Re: Oral puzzles

Hi Howardroark,

The solution to 867 is correct. Splendid!

#868. What is the value of x if

?


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#484 2011-01-02 00:18:32

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Oral puzzles

Hi ganesh;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Offline

#485 2011-01-02 04:18:23

Howardroark
Member
Registered: 2010-10-10
Posts: 382

Re: Oral puzzles

Hi ganesh,



I come from a civilization which has given the world the number 0..

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#486 2011-01-03 00:46:07

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,379

Re: Oral puzzles

Hi bobbym and Howardroark,

The solution to 868 is perfect. Well done!

#869. What is the degree of the polynomial

?


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#487 2011-01-03 00:47:38

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Oral puzzles

Hi ganesh;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Offline

#488 2011-01-03 05:08:14

Howardroark
Member
Registered: 2010-10-10
Posts: 382

Re: Oral puzzles

Hi ganesh,


I come from a civilization which has given the world the number 0..

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#489 2011-01-05 00:00:42

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,379

Re: Oral puzzles

Hi bobbym and Howardroark,

The solution to 869 is correct. Good work!

#870. What is the value of

.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#490 2011-01-05 04:29:16

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Oral puzzles

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Offline

#491 2011-01-06 00:24:00

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,379

Re: Oral puzzles

Hi bobbym,

The solution to 870 is perfect. Well done!

#871. Find the nature of root(s) of the equation x[sup]2[/sup] - 4x + 4 = 0.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#492 2011-01-06 04:20:13

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Oral puzzles

Hi ganesh;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Offline

#493 2011-01-07 00:18:43

Howardroark
Member
Registered: 2010-10-10
Posts: 382

Re: Oral puzzles

Hi,


I come from a civilization which has given the world the number 0..

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#494 2011-01-07 01:06:58

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,379

Re: Oral puzzles

Hi bobbym and Howardroark,

The solution to 871 is correct. Well done!

#872. The Least Common Multiple of 1 - x[sup]3[/sup] and 1 - x[sup]2[/sup] is _____________________.


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#495 2011-01-07 04:45:08

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Oral puzzles

Hi ganesh;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Offline

#496 2011-01-08 01:11:10

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,379

Re: Oral puzzles

Hi bobbym,

The solution to 872 is correct. Neat job!

#873. Find the point where the lines y = -3 and x = 8 meet.

#874. What is the X intercept of the line 4x - 7y + 28 = 0?


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

#497 2011-01-08 02:43:12

Howardroark
Member
Registered: 2010-10-10
Posts: 382

Re: Oral puzzles

Hi,




I come from a civilization which has given the world the number 0..

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#498 2011-01-08 05:08:29

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Oral puzzles

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Offline

#499 2011-01-09 00:55:32

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,379

Re: Oral puzzles

Hi Howardroark and bobbym,

Howardroark : The solutions to 873 and 874 are correct. Excellent!
Please verify the solution to 872.
The solution is

bobbym: The solutions to 873 and 874 are correct. Brilliant!

#875. What is the slope of the line 2x - y + 3 = 0?


It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

#500 2011-01-09 04:44:25

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Oral puzzles

Hi ganesh;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Offline

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