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Algebra
Quick questions on Quadratic equations and graphs - WJEC GCSE Maths (Algebra, Higher)
2short 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 the formula?Show answer
With , the is ; substitute negative coefficients carefully using brackets.
What is not setting the equation to zero first?Show answer
Rearrange to before factorising or using the formula.
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