Quadratic Formula 0.0 / 5 ? MathematicsQuadratic equationsNumber sequencesGCSEAll boards Created by: KajayWoodsCreated on: 18-05-22 22:31 Quadratic Equation The quadratic equation in its standard form is ax2 + bx + c = 0, where a and b are the coefficients, x is the variable, and c is the constant term. 1 of 6 Quadratic Formula We bring the equation to the form ax²+bx+c=0, where a, b, and c are coefficients. Then use the formula: (-b±√(b²-4ac)÷(2a) 2 of 6 Geometric Sequence Type of sequence where the successive terms bear a constant ratio known as a common ratio e.g 2,4,6,8... having a common ratio of 2. 3 of 6 Arithmetic Sequence A sequence where each term is obtained by adding a fixed number to its previous term e.g 1,5,9,13... with the "common difference" being 4. 4 of 6 Quadratic Sequence A sequence where the first differences are NOT same but the second differences are the same e.g 1, 2, 4, 7... with a common second difference of +1 5 of 6 Fibonacci Sequence A sequence where every term is the sum of the last two preceding terms e.g 0, 1, 1, 2, 3, 4, 7, 11... 6 of 6

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