Formulae: Unit 9 Quadratic formula needs to be written in 2.0 / 5 based on 1 rating ? MathematicsQuadratic equationsGCSEEdexcel Created by: annanolanCreated on: 28-12-16 17:19 What is the quadratic formula? .. 1 of 7 How do you write x^2 + bx + c in completing the square form? (x+b/2)^2 - (b/2)^2 + c 2 of 7 How do you write ax^2 + bx + c in completing the square form? a(x^2 + b/a x) + c 3 of 7 How do you solve simultaneous equations? Eliminate one of the terms by adding or subtracting the whole equation 4 of 7 How do you find the coordinates where two graphs intersect? Solve their equations simultaneously 5 of 7 How do you write solutions to inequalities using set notation? {x:x>2} 6 of 7 How do you multiply or divide an inequality by a negative number? Reverse the inequality signs 7 of 7
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