x^2 - 2 = 0
Please answer.
2007-09-29 23:57:34 · 6 answers · asked by luv 1 in Science & Mathematics ➔ Mathematics
(x - √2) (x + √2) = 0
x = ± √2
2007-09-30 01:25:32 · answer #1 · answered by Como 7 · 0⤊ 0⤋
x^2 - 2 = 0
x^2 = 2
x = sqrt(2)
2007-09-30 07:01:35 · answer #2 · answered by Helen B 5 · 0⤊ 0⤋
x^2 - 2 = 0
Add 2 to both sides
x^2 = 2
Taking square roots on both sides
x = +/- sqrt(2)
+ or - because square of both + root 2 as well as - root 2 will also give you 2.
Hope this helps!
2007-09-30 07:09:32 · answer #3 · answered by {flick} 3 · 0⤊ 0⤋
x=the square root of 2
2007-09-30 07:00:46 · answer #4 · answered by whitey-chan 3 · 0⤊ 0⤋
(x - sqrt 2)(x + sqrt 2) = 0
2007-09-30 07:44:45 · answer #5 · answered by nayanmange 4 · 0⤊ 0⤋
(x + 1.41)(x - 1.41)
[1.41 is the square root of 2]
2007-09-30 07:02:43 · answer #6 · answered by **PiNoY YFC** 7 · 0⤊ 0⤋