Flashcards -

When discriminant is a perfect square

The equation will factorise to give rational roots
When the discriminant is zero

The equation will factorise to give repeated rational roots
When the discriminant is not a perfect square

When completing the square the roots are irrational
When the discriminant is negative

There are no real roots

Author

DanR

346496

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Updated

2019-04-10T11:47:01Z

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