Solve for x.

use the completing the square method.

4x^2+8x=7

round decimals to the nearest tenth.

enter your answers in the boxes.
x =
or x =

Noel is hoping to make a profit (in $) on the school play and has determined the function describing the profit to be f(t) = 8t – 2654, where t is the number of tickets sold. what does the number 8 tell you?