Aptitude - what is 5x

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what is 5x - x^2 = 0 ?

Total Answers and Comments: 9

Last Update: November 23, 2009 Asked by: lissy

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January 02, 2007 07:35:23

Jeet

RE: what is 5x - x^2 = 0 ?

It is a Binary Equation.

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January 02, 2007 07:44:54

Jeet

RE: what is 5x - x^2 = 0 ?

Its Quadratic Equation...

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January 05, 2007 09:38:18

phanidil

Member Since: December 2006 Contribution: 6

RE: what is 5x - x^2 = 0 ?

x^2-5x 0

x(x-5) 0

so x 0 or 5

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February 08, 2007 05:11:19

vamsi

RE: what is 5x - x^2 = 0 ?

it is a quadratic equationthe given question is equivalent to::x(x-5) 0 >x 0 ORx 5

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February 12, 2007 22:37:34

Raja

RE: what is 5x - x^2 = 0 ?

5x-x^2 0

5x x^2

Cancel x in both side then we will get

x 5

5 x

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July 21, 2007 02:58:52

sandy

RE: what is 5x - x^2 = 0 ?

The equation represents a parabola y x^2-5x;
to get the solution we find where the parabola cuts the x axis....so the solution is
x 0 & x 5..

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October 09, 2007 11:32:20

Akhil Chandran

RE: what is 5x - x^2 = 0 ?

It is a circle of radius 2.5units.

Explanation:

x^2-5x+2.5^2-2.5^2 0 (add and sub 2.5^2)

x^2-2*2.5+2.5^2 2.5^2 (5 2*2.5)

(x-2.5)^2 2.5^2 [(x-a)^2+(y-b)^2 r^2]

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March 26, 2009 00:51:39

anshulsood86

Member Since: March 2009 Contribution: 1

RE: what is 5x - x^2 = 0 ?

It is a quadratic equation which represents aparabola along Y-axis

and Obviously it is not a circle.

It can be solved as x(5-x) 0

it employs x 0 or x 5

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November 23, 2009 12:38:33

smartyboy

Member Since: November 2009 Contribution: 1

RE: what is 5x - x^2 = 0 ?

A quadratic equation whose answer is: x 0 or x 5

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