Mathematics A-Level
quadratic expressions
What quadratic expressions means in Mathematics A-Level, as defined for WJEC.
Definition of quadratic expressions
Check what you remember
Read the wording for your board, then hide it and explain quadratic expressions in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: WJEC
Expressions of the form ax² + bx + c, rewritten by factoring out the leading coefficient a from the terms in x² and x.
Topics that use quadratic expressions
- Algebra and Functions (AS Unit 1: Pure Mathematics A) (WJEC A-Level)
Related terms
- algebraic division
- Asymptotes
- boundary curves
- Completing the square
- conjunction
- critical values
- curve sketching
- dashed and solid lines
Using quadratic expressions in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
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