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#6426 2016-01-17 14:29:38

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,414

Re: 10 second questions

Hi bobbym,

The solution #5644 is correct! Neat work!

#5645. Find the equation of the straight line passing through the points (-1,1) and (2,-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.

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#6427 2016-01-17 18:26:50

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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#6428 2016-01-17 18:34:39

Relentless
Member
Registered: 2015-12-15
Posts: 631

Re: 10 second questions

Hello;

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#6429 2016-01-17 20:28:28

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,414

Re: 10 second questions

Hi bobbym and Relentless,

The solution #5645 is correct! Good work!

#5646. The vertices of a triangle ABC are A (2,1), B (-2,3) and C (4,5). Find the equation of the median through the vertex A.

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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#6430 2016-01-19 07:38:18

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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#6431 2016-01-19 15:41:16

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,414

Re: 10 second questions

Hi bobbym,

#5647. If the x-intercept and y-intercept of a straight line are 2/3 and 3/4 respectively, then find the equation of the straight line.

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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#6432 2016-01-19 17:24:29

Relentless
Member
Registered: 2015-12-15
Posts: 631

Re: 10 second questions

Hello!

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#6433 2016-01-19 18:00:54

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,414

Re: 10 second questions

Hi Relentless,

The solution #5647 is correct! Excellent!

#5648. Find the equation of the median from the vertex R in a triangle PQR with vertices P (1,-3), Q (-2,5), and R (-3,4).

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.

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#6434 2016-01-20 03:54:26

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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#6435 2016-01-20 19:42:23

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,414

Re: 10 second questions

Hi bobbym,

The solution #5648 is correct! Good work!

Find the equation of the straight line whose x and y intercepts are given 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.

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#6436 2016-01-21 03:47:53

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

#6437 2016-01-21 17:01:55

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,414

Re: 10 second questions

Hi bobbym,

The solutions (two parts) in #5649 are correct! Excellent!

#5650. Find the equation of the straight line whose x and y intercepts are given 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.

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#6438 2016-01-21 17:05:48

Relentless
Member
Registered: 2015-12-15
Posts: 631

Re: 10 second questions

Hello!

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#6439 2016-01-21 18:13:24

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,414

Re: 10 second questions

Hi Relentless,

The solution #5650 is correct! Excellent!

#5651. Find the equation of the straight line passing through the point (3,4) and has intercepts which are in the ratio 3:2.

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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#6440 2016-01-21 19:34:40

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

#6441 2016-01-22 16:22:18

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,414

Re: 10 second questions

Hi bobbym,

The solution #5651 is correct! Excellent!

#5652. Find the equation of the straight lines passing through the point (2,2) and the sum of the intercepts is 9.

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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#6442 2016-01-22 16:51:01

Relentless
Member
Registered: 2015-12-15
Posts: 631

Re: 10 second questions

Hi! I absolutely loved this problem smile

Last edited by Relentless (2016-01-22 16:51:24)

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#6443 2016-01-22 19:58:58

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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#6444 2016-01-22 20:20:54

Relentless
Member
Registered: 2015-12-15
Posts: 631

Re: 10 second questions

Hi bobbym

How did you interpret this question? I interpreted each line as having a x-intercept and y-intercept that sum to 9.

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#6445 2016-01-22 20:54:25

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

Re: 10 second questions

I am still working on it.

Finally got it!

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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#6446 2016-01-22 22:20:54

Relentless
Member
Registered: 2015-12-15
Posts: 631

Re: 10 second questions

It's brilliant! I love conceptual problems like this.
This is how I derived my answers

Last edited by Relentless (2016-01-22 22:21:27)

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#6447 2016-01-23 05:17:43

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

Re: 10 second questions

Depends on your viewpoint.

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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#6448 2016-01-23 05:26:32

Relentless
Member
Registered: 2015-12-15
Posts: 631

Re: 10 second questions

The answer, or the attraction of the problem?

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#6449 2016-01-23 05:30:41

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

Re: 10 second questions

It can be solved by mechanical means.

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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#6450 2016-02-13 21:27:18

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,414

Re: 10 second questions

Hi Relentless and bobbym,

#5653. A car has two wipers which do not overlap. Each wiper has a blade of length 25 cm sweeping through an angle of 115 degrees. Find the total area cleaned at each sweep of the blades.

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

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