92.6k views
16 votes
When looking at a graph of a quadratic, how can you tell the solutions are complex numbers?

User CyberAleks
by
7.2k points

1 Answer

13 votes

Answer:

the solutions are where the parabola crosses the x-axis; therefore, if the parabola does not cross the x-axis then the solutions can be considered to be imaginary (for example, the square root of a negative)

Explanation:

User Rhz
by
6.6k points