A square parking lot has an area of (4x^2+ 20x+ 25) ft^2. What is the length of one side of the parking lot?
1 answer:
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Answer:
-23
Step-by-step explanation:
A quadratic equation is given to us and we are interested in finding the discriminant of the quadratic equation . As we know that ,
If the quadratic equation is in Standard form ,
The discriminant is ,
The given quadratic equation is ,
On comparing it with the Standard form , we have ,
- a = (-3)
- b = 5
- c = (-4)
So that ,
Also note that if D < 0 , then the roots are complex conjugates .
<h3>Hence the discriminant is (-23).</h3>