Maths Exercises
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Maths Exercices
Systems of equations
Special products
The discriminant
Quadratic equations have the form where A quadratic equation with real coefficients can have none, one or two distinct real roots. The radicand is called the discriminant and decides how many roots there will be .

a) >0 The equation has two solutions.

b) <0 The equation has no solution.

c) =0 The equation has one solution.

How many roots have the following equation?

None One Two