Math Is Fun Forum
Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °
You are not logged in.
- Topics: Active | Unanswered
#1 2010-04-01 03:10:52
- soha
- Real Member
- Registered: 2006-07-07
- Posts: 2,530
b^2 -4ac
If a + b + c = 0 prove that b^2 4ac is a perfect square.
"Let us realize that: the privilege to work is a gift, the power to work is a blessing, the love of work is success!" 
- David O. McKay
Offline
#2 2010-04-01 04:23:29
- ZHero
- Real Member
- Registered: 2008-06-08
- Posts: 1,889
Re: b^2 -4ac
Last edited by ZHero (2010-04-01 04:39:49)
If two or more thoughts intersect, there has to be a point!
Offline
#3 2010-04-01 04:41:47
- JaneFairfax
- Member
- Registered: 2007-02-23
- Posts: 6,868
Re: b^2 -4ac
Offline