Discriminants What is the discriminant of a quadratic function? How does the discriminant of a quadratic function affect its graph and roots? Forming equations and inequalities using the discrimina...
Quadratic Inequalities What affects the inequality sign when rearranging a quadratic inequality? The inequality sign is?unchanged?by... Adding/subtracting?a term to both sides Multiplying/dividing?...
Solving Quadratics Equations How do I decide the best method to solve a quadratic equation? How do I solve a quadratic equation by the quadratic formula? How do I solve a quadratic equation by fact...
Factorising Quadratics Why is factorising quadratics useful? Factorising gives?roots (zeroes or solutions)?of a quadratic It gives the?x-intercepts?when drawing the graph How do I factorise a monic...
Quadratic Functions & Graphs What are the key features of quadratic graphs? If?a?is?positive?then the vertex is the?minimum point If?a?is?negative?then the vertex is the?maximum point Wh...
How do I find the gradient of a straight line? Find two points that the line passes through with coordinates (x1, y1) and?(x2, y2) The gradient between these two points is calculated by This is giv...
Binomial Theorem What is the Binomial Theorem? The?binomial theorem (sometimes known as the binomial expansion) gives a method for expanding a?two-term?expression in a bracket raised to a power A?b...
2022年5月IB大考成績在前幾日陸續(xù)公布！盡管全球疫情持續(xù)肆虐的大環(huán)境依然影響著考生，但新加坡學(xué)生依然以其極高的均分成績領(lǐng)跑全球！本輪考試中，新加坡哪些學(xué)校取得了亮眼的考試成績呢？一起和小編來看看吧！ ...
Language of Proof ?What is proof? Proof is a series of logical steps which show a result is?true?for all specified numbers ‘Seeing’ that a result works for a few numbers is not enough to?show?that ...
