The midpoint of AB is M, the coordinates of A are (a, b), and the coordinates of B
are (a + 4,5b). What are the coordinates
of M?

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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 *_*