Edexcel IGCSE Maths BUNDLED EXAMS WITH 100% CORRECT ANSWERS

Solving Simultaneous Equations: Elimination Method Multiple one, or both, of the equations by suitable multiplier, until they have a matching number of x's or y's 2 variants of method: If the matching terms have one + and one - signs, then use add equations. If signs are the same then subtra...

integrate sinx -cosx + c integrate cosx sinx + c integrate sec^2 x tanx + c integrate cosecxcotx -cosecx + c integrate cosec^2x -cotx + c integrate secxtanx secx + c cot^2 x cosec^2 x- 1 tan^2 x sec^2 x - 1 sin^2 x 1 - cos^2 x s...

F shape angle (parallel lines) Corresponding Z shape angle (parallel lines) Alternate Opposite angles (parallel lines) Opposite Multiply (rules of indices) Add powers Divide (rules of indices) Subtract powers Bracket (rules of indices) Multiply powers ...

What are the turning point co-ordinates in f(x)=a(x+p)^2 +q (-p,q) How many roots are there if the discriminent > 0? Two distinct roots How many roots are there if the discriminent = 0? One/repeated root How many roots are there if the discriminent < 0? no real roots ...

Quadratic Formula Domain The set of possible inputs for a function. Range The set of possible outputs of a function. Discriminant b² - 4ac > 0 then two distinct real roots. b² - 4ac = 0 then one repeated real root. b² - 4ac < 0 then a quadratic function has no ...

Quadratic Formula Domain The set of possible inputs for a function. Range The set of possible outputs of a function. Discriminant b² - 4ac > 0 then two distinct real roots. b² - 4ac = 0 then one repeated real root. b² - 4ac < 0 then a quadratic function has no ...