What is the slope of the line?

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0

You dug a hole that was 8 feet deep. after taking a short break, you dug down 3 more feet in the same hole. when finished digging, a tractor accidentally filled the hole with 4 feet of dirt. how deep is your hole now?

Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0