Flashcards
The Discriminant
Cards in this deck (4)
- 1What is the discriminant?\(b^{2}-4ac\) for a quadratic in the form \(ax^{2}+bx+c\)
- 2How is the discriminant used?Determination of the number of roots
- 3Describe the situations when the following outcomes will occur: 1. Discriminant > 0 2. Discriminant = 0 3. Discriminant < 01. Quadratic has two distinct real roots
2. Quadratic has one real repeated root
3. Quadratic has no real roots - 4How would you find the value of an unknown coefficient k, given the number of roots?1. Find discriminant in terms of k
2. Rearrange and solve for k
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- A level OCR A level Maths (Coordinate Geometry) Flashcards on The Discriminant, created by James Norman on 27/12/2018.
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- James Norman
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