Ada needs to simplify the expression below.
2 answers:
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Answer: Last option.
Step-by-step explanation:
For this exercise you need to find the Discriminant.
The formula used to find the Discriminant, is the following:
In this case, given the Quadratic equation:
You can identify that:
Knowing those values, you must substitute them into the formula and then you must evaluate in order to find the Discriminant.
You get that this is:
By definition, if:
Then the Quadraitc equation has 2 nonreal solutions.
Answer:
9.09%
Step-by-step explanation:
To find percent decrease you have to use this equation:
Initial = 49.5
New = 45
Plug in and solve:
The percent decrease is 9.09%
<em>Hope this helps!!</em>
<em>- Kay :)</em>