What information about a quadratic function can the radicand tell you when the function values have been plugged into the quadratic formula? (be specific and detailed)

Ineed with number 17 i don’t get it at alll

Aplane intersects a pris paralel to the base of the prism. the cross section is a polygon wth eight sides. how many sides does the base of the prism have? a. 10 b. 8 c. 7 d. 9

In an isosceles triangle, the vertex angle is 112 degrees. what is the measure of each base. a.34 b.24 c.44 d.54