SOLUTION: if y^2=9; then y=?

Algebra.Com
Question 135414: if y^2=9; then y=?
Found 2 solutions by stanbon, shibili balakrishnan:
Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
if y^2=9; then y=?
y^2-9=0
(y-3)(y+3)= 0
y = 3 or y = -3
===================
Cheers,
Stan H.

Answer by shibili balakrishnan(3)   (Show Source): You can put this solution on YOUR website!
y^2>9
(y^2)^1/2>(9)^1/2
y>3

RELATED QUESTIONS

If 1= 2(x+y), then... (answered by Fombitz)
if x+y=9 and y-x=7, then x^2+y^2=... (answered by radikrr)
If 3/x + 3/y = 6 then 2/x+ 2/y = 1/4 2 4... (answered by ikleyn)
if 5x+y=9 and y=4x then... (answered by Alan3354)
If y=-1, then... (answered by MathLover1)
If y-2=-8, then... (answered by vleith)
If X=-3 then y=? -x +y =... (answered by Fombitz)
If (x+2, 3y-6) = (2x, y), then y... (answered by amalm06)
if y=e^-x^2 then y''(0)... (answered by mccravyedwin)