Please help me in this math question
What is the number that has a square root that is 3 times the number it-self?
I really need this answered as soon as possible!
Thank you
February 28, 2013
Please help me in this math question
What is the number that has a square root that is 3 times the number it-self?
I really need this answered as soon as possible!
Thank you
3 Comments • Newest first
http://www.wolframalpha.com/input/?i=sqrt%28x%29+%3D+3x
[quote=Watermelon]sqr(x) = 3x || ()^2
x = 9x^2
0 = 9x^2 - x
0 = x(9x-1)
x=0 or 9x-1=0
--> x=1/9[/quote] Thanks bro Now I can act like a pro at school.
sqr(x) = 3x || ()^2
x = 9x^2
0 = 9x^2 - x
0 = x(9x-1)
x=0 or 9x-1=0
--> x=1/9