4 A 19 inch LED screen is shown below. If its height of the screen is 10 inches, then calculate the width of the screen to the nearest inch.
16.2 inches
16 inches
16.3 inches
21.4 inches
BC =

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 *_*