Discriminants (Leaving Cert Mathematics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the formula for the discriminant of a quadratic equation ?
What is the formula for the discriminant of a quadratic equation ?
What does tell us about the roots of a quadratic equation?
What does tell us about the roots of a quadratic equation?
Two distinct real roots
What is the nature of the roots when the discriminant ?
What is the nature of the roots when the discriminant ?
One real root (repeated)
What type of roots does a quadratic have when ?
What type of roots does a quadratic have when ?
Complex (conjugate pairs)
What is the discriminant of ?
What is the discriminant of ?
If a quadratic has discriminant , what is the nature of its roots?
If a quadratic has discriminant , what is the nature of its roots?
Two distinct real roots
What is the discriminant of ?
What is the discriminant of ?
For with , what type of roots does it have?
For with , what type of roots does it have?
Two complex roots
What condition must the discriminant satisfy for two distinct real roots?
What condition must the discriminant satisfy for two distinct real roots?
For to have two distinct real roots, what values can take?
For to have two distinct real roots, what values can take?
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