Respuesta :

Answer:

b = 5

Step-by-step explanation:

0.3x^2 + 5x - 7 = 0

ax^2 + bx + c is the general form of a parabola

a = ,3

b = 5

c = -7

Answer:

The answer is 50

Step-by-step explanation:

I just tried 5 and it is incorrect.