If the discriminar of a quadratic equation is equal to -8, which statements describes the roots ?

Factor this polynomial completely x^2-64

Which of these tools or constructions is used to inscribe a hexagon inside a circle?

In the diagram, the ratios of two pairs of corresponding sides are equal to prove that almn - axyz by the sas similarity theorem, it also needs to be shown that x 6 z un z zz un = 2x zləzz lezy