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#5001 2016-07-22 15:38:03

Monox D. I-Fly
Member
From: Indonesia
Registered: 2015-12-02
Posts: 2,000

Re: Oral puzzles


Actually I never watch Star Wars and not interested in it anyway, but I choose a Yoda card as my avatar in honor of our great friend bobbym who has passed away.
May his adventurous soul rest in peace at heaven.

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#5002 2016-07-22 15:53:17

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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#5003 2016-07-22 20:17:52

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,955

Re: Oral puzzles

Hi;

The solution #3077 (two parts) is correct. Neat work, Monox D. I-Fly and bobbym!

#3078. Find, for what values of k does the quadratic equation

has real and equal roots.


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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#5004 2016-07-23 01:28:22

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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#5005 2016-07-23 19:18:23

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,955

Re: Oral puzzles

Hi;

The solutions in #3078 are correct. Neat work, bobbym!

#3079. Find the value of k, if the points (1,1), (3,k), and (-1,4) are collinear.


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.

Online

#5006 2016-07-24 03:43:54

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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#5007 2016-07-24 17:32:18

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,955

Re: Oral puzzles

Hi;

The solution #3079 is correct. Neat work, bobbym!

#3080. Find the value of b for which the polynomial

is divisible by 2x + 3.


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.

Online

#5008 2016-07-24 18:36:53

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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#5009 2016-07-25 17:28:33

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,955

Re: Oral puzzles

Hi;

The  solution #3080 is correct. Neat work,  bobbym!

#3081. What must be added to

so that the polynomial so obtained is exactly divisible by
?


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.

Online

#5010 2016-07-26 02:19:26

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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#5011 2016-07-26 17:03:52

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,955

Re: Oral puzzles

Hi;

The solution #3081 is correct. Neat work, bobbym!

#3082. What must be subtracted from

so that the resulting polynomial is exactly divisible by
?


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.

Online

#5012 2016-07-26 18:22:29

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.

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#5013 2016-07-27 17:36:26

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,955

Re: Oral puzzles

Hi;

The solution #3082 is correct. Neat work, bobbym!

#3083. On dividing p(x) by

, the quotient and the remainder are
and 18 respectively. Find p(x).


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.

Online

#5014 2016-07-27 18:17:31

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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#5015 2016-07-28 17:17:42

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,955

Re: Oral puzzles

Hi;

The solution #3083 is correct. Excellent, bobbym!

#3084. Find the other zeroes of the polynomial

if its two zeroes are


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.

Online

#5016 2016-07-28 18:00:59

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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#5017 2016-07-29 18:34:43

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,955

Re: Oral puzzles

Hi;

The solutions in #3084 are correct (two values). Good work, bobbym!

#3085. If

are the zeroes of the polynomial
find the value of k.


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.

Online

#5018 2016-07-29 20:45:08

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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#5019 2016-07-30 23:37:38

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,955

Re: Oral puzzles

Hi;

The solution #3085 is correct. Good work, bobbym!

#3086. Find the roots of the following quadratic equation:


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.

Online

#5020 2016-07-31 00:39:47

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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#5021 2016-07-31 16:19:22

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,955

Re: Oral puzzles

Hi;

The two roots in #3086 are correct. Excellent, bobbym!

#3087. Find the roots of the following quadratic equation:


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.

Online

#5022 2016-08-01 03:52:07

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

#5023 2016-08-01 16:52:47

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,955

Re: Oral puzzles

Hi;

The two roots of the quadratic equation (#3087) are correct. Neat work, bobbym!

#3088. Find the roots of the quadratic equation


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.

Online

#5024 2016-08-01 17:01:40

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

#5025 2016-08-02 16:45:15

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,955

Re: Oral puzzles

Hi;

The solution #3088 is correct. Excellent, bobbym!

#3089. A person can row downstream 20 km in 2 hours and upstream 4 km in 2 hours. Find man's speed of rowing in still water and the speed of the current.


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.

Online

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