The absolute value of 2 + 7<span> is 5.</span>
Answer:
56
Step-by-step explanation:
I thibk
For this case suppose that we have a quadratic equation of the form:

The solution to the quadratic recuacion is given by:

Where,
The discriminant is:

When the discriminant is greater than zero, then the root is positive, and therefore, we have two positive real solutions.
Answer:
B. it has two real solutions
Answer:um wow
Step-by-step explanation:
I do not know that one
Answer:
Then it would be 4n squared + 21
Step-by-step explanation: