Which term describes the fraction that has a variable or a variable expression

If there is no real number solution to the quadratic equation x^2+2x+c=0 what is a possible value of c? 1 -2 0 3

Moira has a canvas that is 8 inches by 10 inches. she wants to paint a line diagonally from the top left corner to the bottom right corner. approximately how long will the diagonal line be?

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]