Linear Transformations of Roots What is a Linear Transformation? A linear transformation can be expressed as where: w is the new root x is the original root p and q are constants If you perform a ...
Roots of Quadratics How are the roots of a quadratic linked to its coefficients? Because a quadratic equation (where ) has roots and , you can write this equation instead in the form Note that It...
不同AP科目之间的难度差异可不小，“地狱级难度”的AP科目是哪些呢？它们究竟难在哪里呢？就让我们一起看看吧！ 在38门科目中，AP生物、AP英语文...
Invariant Points What is an invariant point? When applying transformations to a shape or collection of points, there may be some points that stay in their original position; these are known as inva...
2D Transformations What is meant by a 2D geometric transformation? The following transformations can be represented (in 2D) using multiplication of a 2x2 matrix rotations (about the origin) reflect...
Transformations using a Matrix What is a transformation matrix? A transformation matrix is used to determine the coordinates of an image from the transformation of an object reflections, rotations,...
Edexcel IGCSE Biology: Double Science 复习笔记 2.8.6 The Heart Structure & Function of the Heart The heart organ is a double pump Oxygenated blood from the lungs enters the left side of ...
Edexcel IGCSE Biology: Double Science 复习笔记 2.8.5 Human Transport Systems: White Blood Cells & Immunity White Blood Cells White blood cells are part of the body’s immune system These ...
Edexcel IGCSE Biology: Double Science 复习笔记 2.8.4 Human Transport Systems: Red Blood Cells & Plasma Red Blood Cells Red blood cells are specialised cells which carry oxygen to respiri...
