If ABCD is dilated by a scale
factor of }, which represents the
location of A'?

Just divide the x axis (the top) by 2 or multiply the y axis (the bottom) by 2

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 *_*