PLS HELP ITS AN EXAMMM. Which of the following a, b, and c values would you use in the Quadratic formula to solve: x2 + 4x - 8 = 0?
ОА
a = 0, b = -4, C = -8
B
a = 1, b = -4, C = -8
С
a = 0, b = 4, C = 8
D
a = 1, b = 4, C = -8

What is the definition of exponential decay?

Me solve this problem, and someone clearly explain to me how to solve it.1.) use the value of the discriminant to determine if the given trinomials has 2 real solutions, 1 real solution, or no real solutions.a.  x2  − 4x  − 7 = 0b. 4r2  + 11r  − 3 = 0c. 3m2  + 7 = 0d.  t2  + 2t  + 1 = 0

Ineed in figuring out this problem.