Minimum required is that answer states there is a sign change in the interval and that this implies a root in the given interval. Pearson Progression Step Q Scheme Marks AOs and Progress descriptor Attempts to sketch both and 3.1a 5th 4a M1 Understand the concept of roots of equations. States thatmeetsin just one place, therefore has just one root A1 2.4 has just one root (2) Makes an attempt to rearrange the equation. For example, 1.1b 5th 4b M1 Understand the Shows logical progression to state A1 1.1b concept of roots For example,is seen. of equations. (2) Attempts to use iterative procedure to find subsequent values. 1.1b 6th 4c M1 Solve equations Correctly finds: A1 1.1b approximately using the method of iteration. (2) 4d Correctly finds A1 2.2a 6th equations Findsand M1 1.1b approximately using the Attempts to find: M1 1.1b Newton–Raphson method. Finds A1 1.1b
Minimum required is that answer states there is a sign change in the interval and that this implies a root in the given interval. Q Scheme Marks AOs Pearson Progression Step and Progress descriptor 4a Attempts to sketch both and M1 3.1a 5th Understand the concept of roots of equations. States thatmeetsin just one place, therefore has just one root has just one root A1 2.4 (2) 4b Makes an attempt to rearrange the equation. For example, M1 1.1b 5th Understand the concept of roots of equations. Shows logical progression to state For example,is seen. A1 1.1b (2) 4c Attempts to use iterative procedure to find subsequent values. M1 1.1b 6th Solve equations approximately using the method of iteration. Correctly finds: A1 1.1b (2) 4d Correctly finds A1 2.2a 6th equations approximately using the Newton–Raphson method. Findsand M1 1.1b Attempts to find: M1 1.1b Finds A1 1.1b
al_maths_pure_unit_9_ms.docx