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Algebra
Quick questions on Quadratic equations: factorising, the formula and completing the square - AQA GCSE Maths
1short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is sign errors in ?Show answer
When is negative, is positive, and subtracting a negative adds to the discriminant. Track every sign.
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