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#26 2011-08-31 13:50:59

ShivamS
Member
Registered: 2011-02-07
Posts: 3,648

Re: Algebra

#1
3, 4, 5
#2
m=-2
#4
3,5
#5
2
#6
(a)

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#27 2011-08-31 16:57:13

ganesh
Administrator
Registered: 2005-06-28
Posts: 28,225

Re: Algebra

Hi Shivamcoder3013,

The solutions are all correct. Excellent!


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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#28 2011-08-31 23:03:06

ShivamS
Member
Registered: 2011-02-07
Posts: 3,648

Re: Algebra

Thank-you. By the way, how come you stopped adding more questions to this? Its quite fun and challenging.

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#29 2011-08-31 23:13:17

ganesh
Administrator
Registered: 2005-06-28
Posts: 28,225

Re: Algebra

Hi Shivamcoder3013,

I shall try my best and post problems whenever I find time.


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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#30 2019-05-25 01:12:53

ganesh
Administrator
Registered: 2005-06-28
Posts: 28,225

Re: Algebra

A # 8. Solve:


.


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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#31 2019-05-30 16:55:51

ganesh
Administrator
Registered: 2005-06-28
Posts: 28,225

Re: Algebra

Hi,

A # 9. Solve the equation

using the formula for quadratic 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.

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#32 2019-05-31 15:22:10

ganesh
Administrator
Registered: 2005-06-28
Posts: 28,225

Re: Algebra

Hi,

A # 10. Find the zeroes of the polynomial

.


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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#33 2019-06-01 14:22:07

ganesh
Administrator
Registered: 2005-06-28
Posts: 28,225

Re: Algebra

Hi,

.

A # 11. A polygon has 44 diagonals. Find the number of sides of the polygon. Diagonals of a polygon of n sides =

.


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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#34 2019-06-02 16:21:13

ganesh
Administrator
Registered: 2005-06-28
Posts: 28,225

Re: Algebra

Hi,

A # 12. By lending an article for $18.75, a dealer loses as much percent as its cost price. Find the cost price of the article.


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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#35 2019-06-03 14:51:08

ganesh
Administrator
Registered: 2005-06-28
Posts: 28,225

Re: Algebra

Hi,

A # 13. The base of a triangle is 4 centimeters longer than its altitude. If the area of the triangle is 48 square centimeters, find its altitude.


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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#36 2019-06-04 15:53:06

ganesh
Administrator
Registered: 2005-06-28
Posts: 28,225

Re: Algebra

Hi,

A # 14. Find the whole number such that four times the number subtracted from three times the square of the number makes 15.


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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#37 2019-06-05 15:12:41

ganesh
Administrator
Registered: 2005-06-28
Posts: 28,225

Re: Algebra

Hi,

A # 15. If the square of a number is added to three times the number, the sum is 28.Find the number.


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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#38 2019-06-06 15:24:59

ganesh
Administrator
Registered: 2005-06-28
Posts: 28,225

Re: Algebra

Hi,

A #16. The length of a rectangular playground is 2 meters longer than its breadth. If the area of the playground is 195 square meters, lind the length and breadth.


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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#39 2019-06-07 15:03:58

ganesh
Administrator
Registered: 2005-06-28
Posts: 28,225

Re: Algebra

Hi,

A # 17. Find the roots of the equation

using the quadratic equation formula.


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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#40 2019-06-08 15:02:05

ganesh
Administrator
Registered: 2005-06-28
Posts: 28,225

Re: Algebra

Hi,

A # 18. Solve:


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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#41 2019-06-09 15:01:16

ganesh
Administrator
Registered: 2005-06-28
Posts: 28,225

Re: Algebra

Hi,

A # 19. Solve: (x - 4)(x + 4) = 6x.


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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#42 2019-06-10 15:07:31

ganesh
Administrator
Registered: 2005-06-28
Posts: 28,225

Re: Algebra

Hi,

A # 20. Solve:

.


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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#43 2019-06-11 14:57:57

ganesh
Administrator
Registered: 2005-06-28
Posts: 28,225

Re: Algebra

Hi,

A # 21. Solve for x:

.


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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#44 2019-06-12 14:20:09

ganesh
Administrator
Registered: 2005-06-28
Posts: 28,225

Re: Algebra

Hi,

.

A # 22. Solve:


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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#45 2019-06-13 15:30:59

ganesh
Administrator
Registered: 2005-06-28
Posts: 28,225

Re: Algebra

Hi,

.

A # 23. Solve:

.


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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#46 2019-06-15 00:54:08

ganesh
Administrator
Registered: 2005-06-28
Posts: 28,225

Re: Algebra

Hi,

.

A # 24. Solve:

.


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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#47 2019-06-16 14:55:20

ganesh
Administrator
Registered: 2005-06-28
Posts: 28,225

Re: Algebra

Hi,

.

A # 25. The ages of Kate and Kevin are 11 years and 14 years respectively. In how many years will the product of their ages will be 304?


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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#48 2019-06-17 16:12:22

ganesh
Administrator
Registered: 2005-06-28
Posts: 28,225

Re: Algebra

Hi,

A # 26. Find two consecutive positive odd numbers such that the sum of their squares is equal to 130.


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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#49 2019-06-18 16:09:46

ganesh
Administrator
Registered: 2005-06-28
Posts: 28,225

Re: Algebra

Hi,

A # 27. Solve the quadratic equation: (2y + 3)(3y - 2) + 2 = 0.


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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#50 Yesterday 14:34:52

ganesh
Administrator
Registered: 2005-06-28
Posts: 28,225

Re: Algebra

Hi,

.

A # 28. Find the value of p so that the equation

has roots whose difference is 4.


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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