Completing the square What is completing the square? Completing the square is another method used to solve quadratic equations It simply means writing in the form It can be used to help find other ...
Finding the Constant of Integration What is the constant of integration? When finding an?anti-derivative?there is a constant term to consider In terms of?graphing?an?anti-derivative,?there are endl...
Discriminants What is a discriminant? The discriminant is the part of the quadratic formula that is under the square root sign It is sometimes denoted by the Greek letter ?(capital delta) Ho...
Quadratic Graphs What are quadratic graphs? The general equation of a quadratic graph is Their shape is called a parabola ("U" shape) Positive quadratics have a value of so the parabola?is u...
Introduction to Integration What is integration? Integration?is the opposite to?differentiation Integration is referred to as?antidifferentiation The result of integration is referred to as the?ant...
Derivatives & Graphs How are derivatives and graphs connected? asymptotes?–?vertical?and?horizontal intervals where the graph is?increasing?and?decreasing intervals where the graph is?concave d...
Surds - Rationalising the Denominator What does it mean to rationalise a denominator? Rationalising a denominator changes a fraction with surds in its denominator, into an equivalent fractio...
Edexcel IGCSE Physics 復習筆記 2.2.1 Current in Series & Parallel Current in Series Circuits In a circuit that is a closed-loop, such as a series circuit, the current is the?same value a...
Concavity of a Function What is concavity? Concavity?is the way in which a?curve?(or surface)?bends Mathematically,CONCAVE?DOWN?is often called?concave CONCAVE?UP?is often called?convex Exam...
