Use of the discriminant for a quadratic

Author:Mark Willis

Move the slider to see the values of k for: 1 repeated zeros; 2 two distinct roots; 3 no real roots. Click check boxes on the right hand side to reveal answers.

New Resources

Pitfalls of Disk/Washer Method
Equation of Locus - Parabola
Volume by Shells Around y
Reflection = 180° Rotation about a Line
apec

Discover Resources

Virtual Protractor
Reflections
Копия Planetary Motion
modulus function

Discover Topics

Symmetry
Circumcircle or Circumscribed Circle
Mode
Continuity
Parametric Curves