Need a reason for part b

Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126

Do, h = (7, 9) (14, 18) the scale factor is

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