Examlex
Sketch the parabola 2x2- 10x + 5y + 12 = 0 showing the focus, vertex and directrix.
Compulsory Participation
A situation or policy where individuals are required by law or rule to engage in a particular activity, such as voting or military service.
Census
An official count or survey of a population, typically recording various details of individuals, such as age, sex, occupation, and nationality.
Representative Sample
A representative sample is a subset of a population that accurately reflects the members of the entire population, used in statistical analysis to make inferences about the population.
Experimental Method
A research methodology that involves manipulating variables to test hypotheses and observe effects.
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