Final answer:
The number of classes you can miss before points are deducted from your grade is determined by school or course policy, not by a universal academic rule. To find out the specific number, consult your course syllabus or speak directly with your instructor.
Step-by-step explanation:
The question about how many classes you can miss before points are deducted from your grade does not pertain to a specific academic subject but rather to a school or course policy. In an academic setting, policies related to attendance are typically found in the course syllabus or communicated by the instructor.
Determining specifically how many classes you can miss before there's an impact on your grade would require consulting your course syllabus or asking your instructor directly. There is no universal rule for this, as it varies by institution, course, and instructor.
If we consider the example provided regarding absenteeism in math classes, we can infer that there are different policies depending on the academic context. Similarly, in a physics course, the withdrawal rate could influence how attendance impacts grades.
Therefore, the right course of action for any student is to review their specific course documentation and schedule or to engage in discussion with their instructor.