Question

Which of the following statements accurately describes the equation x^2 +8x + 16 = 0 ?

Select one:
a. The equation has two solutions and the equation's parabola will open downward.
b. The equation has no solutions and the equation's parabola will open upward.
c. The equation has one solution and the equation's parabola will open downward.
d. The equation has one solution and the equation's parabola will open upward.

Answer 1

since a>0, parabola will open upward and D=0, it means it has one solution

Answer 2

Thanks !