Math Is Fun Forum

  Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

You are not logged in.

#3526 2015-03-13 15:26:01

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

#3527 2015-03-15 01:16:15

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,266

Re: Oral puzzles

Hi bobbym,

The solution(s) #2252 (i and ii) are correct. Good work!

#2253. Find the equation of the straight line whose x and y intercepts on the axes 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.

Offline

#3528 2015-03-15 05:46:58

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

#3529 2015-03-15 15:12:29

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,266

Re: Oral puzzles

Hi bobbym,

The solution #2253 is correct. Neat work!

#2254. 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.

Offline

#3530 2015-03-15 19:12:54

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

Re: Oral puzzles

Hi;

x intercept and y intercept? Or y intercept, x intercept?


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

#3531 2015-03-15 23:29:29

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,266

Re: Oral puzzles

Hi bobbym,

#2254 Clarification : Intercepts are in the ratio 3:2 (i.e. 3a and 2a).


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

#3532 2015-03-16 17:50:21

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

#3533 2015-03-16 20:34:40

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,266

Re: Oral puzzles

Hi bobbym,

The solution #2254 is correct. Good work!

#2255. Find the equation of the straight line passing through the point (5,-3) and whose intercepts on the axes are equal in magnitude but opposite in sign.


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

#3534 2015-03-16 20:41:36

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

#3535 2015-03-16 23:10:34

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,266

Re: Oral puzzles

Hi bobbym,

The solution #2255 is correct. Good work!

#2256. Find the equation(s) 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.

Offline

#3536 2015-03-17 12:22:35

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

#3537 2015-03-17 15:35:39

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,266

Re: Oral puzzles

Hi bobbym,

The solution #2256 is correct. Excellent!

#2257. Find the equation of the straight line passing through the point (9,-1) and having its x-intercept thrice its as its y-intercept.


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

#3538 2015-03-17 15:39:45

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

#3539 2015-03-17 15:52:01

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,266

Re: Oral puzzles

Hi bobbym,

The solution #2257 is correct. Excellent!

#2258. A straight line cuts the coordinate axes at A and B. If the midpoint of AB is (3,2), then find the equation of AB.


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

#3540 2015-03-18 10:26:59

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.

Offline

#3541 2015-03-19 00:46:44

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,266

Re: Oral puzzles

Hi bobbym,

The solution #2258 is correct. Good work!

#2259. If A(3,6) and C(-1,2) are two vertices of a rhombus ABCD, then find the equation of the straight line that lies along the diagonal BD.


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

#3542 2015-03-19 17:25:39

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

#3543 2015-03-19 23:40:42

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,266

Re: Oral puzzles

Hi bobbym,

#2260. Find the equation of the straight line whose gradient is 1.5 and which passes through P, where P divides the line segment joining A (-2,6) and B (3,-4) in the ratio 2:3 internally.


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

#3544 2015-03-20 19:12:21

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

#3545 2015-03-21 15:29:07

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,266

Re: Oral puzzles

Hi bobbym,

#2261. Find the value of 'a' if the straight lines 5x - 2y - 9 = 0 and ay + 2x - 11 = 0 are perpendicular to each other.


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

#3546 2015-03-21 19:41:56

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

#3547 2015-03-22 00:12:03

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,266

Re: Oral puzzles

Hi bobbym,

The solution # 2261 is perfect. Excellent!

#2262. Find the values of 'p' for which the straight lines 8px + (2 - 3p)y + 1 = 0 and px + 8y - 7 = 0 are perpendicular to each other.


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

#3548 2015-03-22 17:50:58

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

#3549 2015-03-22 20:52:32

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,266

Re: Oral puzzles

Hi bobbym,

The solution #2262 is correct. Good work!

#2263. Find the equation of the straight line passing through the point of intersection of the lines 2x+y-3 = 0 and 5x+y-6 = 0 and parallel to the line joining points (1,2) and (2,1).


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

#3550 2015-03-24 13:35:59

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.

Offline

Board footer

Powered by FluxBB