Question

Which equations have no real solution but have two complex solutions?

3.2 – 53 =
-8
202 = 60 - 5
123 =
9.2 + 4
-02 - 10.5 = 34

Answer 1

B² - 4AC < 0

Explanation:

Check for:

B² - 4AC

The equations for which

B² - 4AC < 0

have complex roots

For A, B and C, use this form of the quadratic:

Ax² + Bx + C = 0