Mathematics A-Level
nature of roots
What nature of roots means in Mathematics A-Level, as defined for WJEC.
Definition of nature of roots
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Reference: WJEC
Determined by the discriminant: if Δ > 0 there are two distinct real roots, if Δ = 0 one repeated real root, and if Δ < 0 no real roots.
Topics that use nature of roots
- Algebra and Functions (AS Unit 1: Pure Mathematics A) (WJEC A-Level)
Related terms
- algebraic division
- Asymptotes
- boundary curves
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- conjunction
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- curve sketching
- dashed and solid lines
Using nature of roots in the exam
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