Assume that a researcher wants to select individuals from a population so that an equal number of people from different ethnic groups (e. g., African-American, Hispanic, Asian-Americans) are selected. The procedure the researcher would use is called

Answer to your question: a. the fundamental theorem of algebra tells you that the equation will have two complex roots since the degree of the polynomial is 2. the roots are ​ x=1±i7√2 .number of roots=degree of polynomialhere, degree of polynomial is 2 so number of roots will be 2.hope it *_*