Solving Polynomial Equations (AQA A-Level Further Maths): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What type of solutions result when the discriminant is negative?
What type of solutions result when the discriminant is negative?
Imaginary solutions
If solves a polynomial with real coefficients, what else must be a solution?
If solves a polynomial with real coefficients, what else must be a solution?
Why must a cubic equation with real coefficients have at least one real root?
Why must a cubic equation with real coefficients have at least one real root?
Complex roots come in pairs
For complex number , what is always equal to?
For complex number , what is always equal to?
A real number
For complex number , what is always equal to?
For complex number , what is always equal to?
A real number
If is a root of a quadratic with real coefficients, what is the other root?
If is a root of a quadratic with real coefficients, what is the other root?
How do complex roots appear in polynomial equations with real coefficients?
How do complex roots appear in polynomial equations with real coefficients?
In conjugate pairs
A polynomial with real coefficients always has how many complex solutions?
A polynomial with real coefficients always has how many complex solutions?
An even number