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The optional National Curriculum tests have tended to test a narrow part of the National Curriculum whereas APP gives a much broader picture. The Assessment Foci can be quite specific, such as "plot graphs of quadratic and cubic functions". Some areas are less traditional and have come as something of a surprise to those who have worked with them.
1.1 Functions; 1.2 Composite Functions; 1.3 Inverse Functions; 2) Quadratic Functions 2.1 Quadratic Equations and Inequalities; 2.2 Types of Roots of Quadratic Equations; 2.3 Quadratic Functions; 3) Systems of Equations 3.1 Systems of Linear Equations in Three Variables; 3.2 Simultaneous Equations involving One Linear Equation and One Non ...
This is therefore the parent function of the family of quadratic equations. For linear and quadratic functions, the graph of any function can be obtained from the graph of the parent function by simple translations and stretches parallel to the axes. For example, the graph of y = x 2 − 4x + 7 can be obtained from the graph of y = x 2 by ...
The matching polynomial of a graph G with n vertices is related to that of its complement by a pair of (equivalent) formulas. One of them is a simple combinatorial identity due to Zaslavsky (1981) . The other is an integral identity due to Godsil (1981) .
A graph can only contain a perfect matching when the graph has an even number of vertices. A near-perfect matching is one in which exactly one vertex is unmatched. Clearly, a graph can only contain a near-perfect matching when the graph has an odd number of vertices, and near-perfect matchings are maximum matchings. In the above figure, part (c ...
The graph of a real single-variable quadratic function is a parabola. If a quadratic function is equated with zero, then the result is a quadratic equation . The solutions of a quadratic equation are the zeros (or roots ) of the corresponding quadratic function, of which there can be two, one, or zero.