Module 5 Higher Quadratic Equations Formula

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1
Use the quadratic formula when a, b and c are all positive
           
 2 Solving quadratics using the formula - a, b and c positive or negative

Use questions from 10 ticks sheet &/or brown book that were not used in ‘Solving quadratic equations by factorising’ earlier but use the formula to solve. Show how formula and factorising give same solutions