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#7501 2017-04-12 19:42:16

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

Re: 10 second questions

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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#7502 2017-04-13 00:01:25

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,437

Re: 10 second questions

Hi;


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

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#7503 2017-04-13 14:08:29

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

Re: 10 second questions

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

#7504 2017-04-13 17:15:00

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,437

Re: 10 second questions

Hi;

The solution #6176 is perfect. Excellent, bobbym!

#6177. Determine the set of values of k for which the given quadratic equation has real roots:

.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

Offline

#7505 2017-04-13 22:08:28

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

Re: 10 second questions

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

#7506 2017-04-13 23:19:38

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,437

Re: 10 second questions

Hi;

The solution #6177 is correct. Neat work, bobbym!

#6178. Determine the set of values of k for which the given quadratic equation has real roots:


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

Offline

#7507 2017-04-14 07:48:30

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

Re: 10 second questions

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

#7508 2017-04-14 14:24:15

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,437

Re: 10 second questions

Hi;

The solution #6178 is correct. Neat work, bobbym!

#6179. Determine the set of values of k for which the given quadratic equation has real roots:

.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

Offline

#7509 2017-04-14 17:44:29

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

Re: 10 second questions

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

#7510 2017-04-14 22:16:21

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,437

Re: 10 second questions

Hi;

The solution #6178 is correct. Neat work, bobbym!

#6179. Determine the set of values of k for which the given quadratic equation has real roots:

.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

Offline

#7511 2017-04-15 06:09:37

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

Re: 10 second questions

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

#7512 2017-04-15 16:02:38

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,437

Re: 10 second questions

Hi;

The solution #6179 is correct. Neat work, bobbym!

#6180. Determine the set of values of k for which the given quadratic equation has real roots:

.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

Offline

#7513 2017-04-16 00:36:12

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

Re: 10 second questions

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

#7514 2017-04-16 13:41:31

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,437

Re: 10 second questions

Hi;

The solution #6180 is correct. Neat work, bobbym!

#6181. If -5 is a root of the quadratic equation

and the quadratic equation
has equal roots, find the value of k.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

Offline

#7515 2017-04-17 10:11:52

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

Re: 10 second questions

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

#7516 2017-04-17 15:39:40

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,437

Re: 10 second questions

Hi;

.

#6182. Find the least value of k for which the equation

has real roots.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

Offline

#7517 2017-04-18 00:02:54

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

Re: 10 second questions

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

#7518 2017-04-18 02:15:35

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,437

Re: 10 second questions

Hi;

The solution

Regretted. I missed a part of the problem.

#6183. Determine the value of k for which the roots are real and equal in the following equation:

.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

Offline

#7519 2017-04-18 11:21:38

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

Re: 10 second questions

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

#7520 2017-04-18 14:56:44

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,437

Re: 10 second questions

Hi;

The solution #6183 is correct. Good work, bobbym!

#6184. Determine the value of k for which the roots are real and equal in the following equation:

.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

Offline

#7521 2017-04-18 21:24:53

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

Re: 10 second questions

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

#7522 2017-04-19 15:08:48

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,437

Re: 10 second questions

Hi;

The solution #6184 (two values) is correct. Good work, bobbym!

#6185.For each of the following sysyem of equations determine the value of k for which the given system has no solution:

.
PS: Irrational numbers as k.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

Offline

#7523 2017-04-19 22:47:53

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

Re: 10 second questions

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

#7524 2017-04-20 02:38:02

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,437

Re: 10 second questions

Hi;

The two solutions in #6185 is correct. Magnificent. bobbym!

#6186. Find the values of k for which the roots are real and equal in each of the following equations:

.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

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

Offline

#7525 2017-04-20 08:29:12

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

Re: 10 second questions

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

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