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Roots Of The Equation (Posted on 2003-08-20) Difficulty: 3 of 5
Let us consider the quadratic equation: ax˛ + bx + c = 0.

We assign values to the coefficients a, b and c by throwing a die.

What is the probability that the equation will have real roots ?

See The Solution Submitted by Ravi Raja    
Rating: 2.6667 (9 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
re: Vocabulary mistake | Comment 7 of 17 |
(In reply to Vocabulary mistake by Gamer)

You are right, of course; the quantity b²-4ac is called the discriminant of the quadratic equation.

A determinant is a value assigned to square matrices of numbers, useful in determining whether a system of equations has a nontrivial solution, as well as other applications.

It has been some time since I have had to use either of these terms by name, which led to their confusion.
  Posted by DJ on 2003-08-20 19:02:38

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