Math Is Fun Forum
You are not logged in.
- Topics: Active | Unanswered
#7426 2017-03-31 16:35:29
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,413
Re: 10 second questions
Hi;
The solution set in #6145 is correct. Neat work, bobbym!
#6146. Solve for x and y:
ax + by = a - b,
bx - ay = a + b.
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
#7427 2017-03-31 18:59:07
- 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
#7428 2017-03-31 23:02:54
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,413
Re: 10 second questions
Hi;
The solution set in #6146 is correct. Neat work, bobbym!
#6147. Find the values of a and b for which the following system of equations has infinitely many solutions:
(2a - 1)x - 3y = 5;
3x + (b - 2)y = 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.
Offline
#7429 2017-04-01 07:05:53
- 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
#7430 2017-04-01 08:23:46
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,413
Re: 10 second questions
Hi;
The solution set in #6147 is correct. Neat work, bobbym!
#6148. Find the values of a and b for which the following system of equations has infinitely many solutions:
2x - (2a + 5)y = 5,
(2b + 1)x - 9y = 15.
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
#7431 2017-04-01 10:43:40
- 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
#7432 2017-04-01 14:56:51
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,413
Re: 10 second questions
Hi;
The solution set in #6148 is correct. Neat work, bobbym!
#6149. Find the values of a and b for which the following system of equations has infinitely many solutions:
(a - 1)x + 3y = 2,
6x + (1 - 2b)y = 6.
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
#7433 2017-04-01 16:27:31
- 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
#7434 2017-04-02 00:10:21
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,413
Re: 10 second questions
Hi;
The solutions in #6149 are correct. Neat work, bobbym!
#6150. Find the value of k for which the following system of equations has no solution:
kx - 5y = 2,
6x + 2y = 7.
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
#7435 2017-04-02 11:42:56
- 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
#7436 2017-04-02 16:09:03
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,413
Re: 10 second questions
Hi;
The solution #6150 is correct. Good work, bobbym!
#6151. Find the value of k for which the following system of equations has no solution:
x + 2y = 0,
2x + ky = 5.
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
#7437 2017-04-02 19:18:35
- 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
#7438 2017-04-02 22:35:35
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,413
Re: 10 second questions
Hi;
The solution #6151 is correct. Good work, bobbym!
#6152. Find the value of k for which the following system of equations has no solution:
3x - 4y + 7 = 0,
kx + 3y - 5 = 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
#7439 2017-04-03 22:14:36
- 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
#7440 2017-04-03 22:30:40
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,413
Re: 10 second questions
Hi;
The solution #6152 is correct. Very well done, bobbym!
#6153. Find the value of k for which the following system of equations has no solution:
2x - ky + 3 = 0,
3x + 2y - 1 = 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
#7441 2017-04-03 22:38:54
- 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
#7442 2017-04-04 02:22:00
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,413
Re: 10 second questions
Hi;
The solution #6153 is correct. Neat work, bobbym!
#6154. Solve:
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
#7443 2017-04-04 03:01:43
- math9maniac
- Member
- From: Tema
- Registered: 2015-03-30
- Posts: 443
Re: 10 second questions
Only a friend tells you your face is dirty.
Offline
#7444 2017-04-04 04:34:22
- 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
#7445 2017-04-04 14:16:11
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,413
Re: 10 second questions
Hi;
The solution #6154 (two values) is correct. Marvelous, math9maniac and bobbym!
#6155. Solve: 25x(x + 1) = -4.
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
#7446 2017-04-04 15:53:16
- 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.
Offline
#7447 2017-04-04 16:45:49
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,413
Re: 10 second questions
Hi;
The solution #6155 (two values) is correct. Neat work, bobbym!
#6156. Solve:
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
#7448 2017-04-04 20:11:00
- 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
#7449 2017-04-04 22:27:22
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,413
Re: 10 second questions
Hi;
The two solutions in #6156 is correct. Excellent, bobbym!
#6157. Solve:
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
#7450 2017-04-05 03:08:24
- math9maniac
- Member
- From: Tema
- Registered: 2015-03-30
- Posts: 443
Re: 10 second questions
Last edited by math9maniac (2017-04-05 03:10:48)
Only a friend tells you your face is dirty.
Offline