Your calculator says error because you cant have a square root of a negative number because there is no solution to that maybe recheck your equation and try again
I would say it is <span>D- (-4,-5), for counterclockwise you turn towards the right. At 180 degrees it would be (4, -5) if you turn again you would get (-4,-5) hope this helps</span>
Answer:

Step-by-step explanation:
<h3>Trigonometry:</h3>


According to Vieta's Formulas, if

are solutions of a given quadratic equation:
Then:
is the completely factored form of

.
If choose

, then:

So, according to Vieta's formula, we can get:

But

:
Answer:
20,275.2
Step-by-step explanation:
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