7. Find the solutions of a given quadratic equation correct to two significant figures.
8. Calculate the height of the major segment of a circle cut off by a chord.
Instructional exercise consisting of questions 7 and 8 from the second paper of the 2022 SQA National 5 Mathematics examination.
Where appropriate the alternative methods for solving the problem are also given.
Set out in stages of 'try then check' the worked solution to each part of the question.
Including indications of where each mark is allocated, and the requirements for that mark, according to the marking scheme.
