For this case we have the following quadratic equation:

Where:

By definition, the discriminant of a quadratic equation is given by:

We have to:
Two different real roots
Two different complex roots
Two equal real roots
Substituting the values we have:

So, we have two different complex roots
Answer:
Two different complex roots
"Increased crop yields" is the one change in today's world among the choices given in the question that <span>is a product of advances in biology. The correct option among all the options that are given in the question is the first option. I hope that this is the answer that has come to your desired help.</span>
Answer:
30 cm
Step-by-step explanation:
2 * 15: 5 * 15
30:75
Answer:
45
Step-by-step explanation:
They add up to 90, so 90 - 45 = 45 degrees