SOLUTION: what are the roots of the equation 2x^2-5=0.

Algebra ->  Algebra  -> Trigonometry-basics -> SOLUTION: what are the roots of the equation 2x^2-5=0.      Log On

Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!
Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!

   

Question 127178: what are the roots of the equation 2x^2-5=0.
Answer by ankor@dixie-net.com(12701) About Me  (Show Source):
You can put this solution on YOUR website!
what are the roots of the equation 2x^2-5=0.
:
2x^2 - 5 = 0
:
2x^2 = +5; added 5 to both sides
:
x^2 = 5%2F2; divided both sides by 2
:
x = %2Bsqrt%285%2F2%29; find the square root of both sides
and
x = -sqrt%285%2F2%29