85.7k views
2 votes
What are the solutions for the equation -2x^2 + 3x - 9 = 0?

a) 4
b) 3 + 9i7
c) -3 + 31
d) -3 + 917

1 Answer

3 votes

Final answer:

The solutions for the equation -2x^2 + 3x - 9 = 0 are complex numbers.

Step-by-step explanation:

The equation is: -2x^2 + 3x - 9 = 0

To solve this quadratic equation, we can use the quadratic formula, which is given by:

x = (-b ± √(b^2 - 4ac)) / (2a)

In this case, a = -2, b = 3, and c = -9. Substituting these values into the quadratic formula, we have:

x = (-3 ± √((3)^2 - 4(-2)(-9))) / (2(-2))

x = (-3 ± √(9 - 72)) / (-4)

x = (-3 ± √(-63)) / (-4)

The discriminant (b^2 - 4ac) is negative, which means there are no real solutions. The solutions are complex.

Therefore, the solutions for this equation are: x = (3 ± √(63)i) / -4

User Arthur Khazbulatov
by
7.8k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories