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ayoismeisalex
29.01.2020 •
Mathematics
32x - 4 = 4x2 + 60 for the equation shown, choose the description of the solutions.
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Ответ:
Two real and equal solutions.
Step-by-step explanation:
We have been given an equation
. We are asked to find the type of solutions of our given equation.
First of all, we will gather all terms on left side of our equation using opposite operations:
Dividing our equation by -4 we will get,
To determine the type of solutions for our given problem, we will use discriminant formula.
b = Coefficient of x term,
a = Leading coefficient,
c = Constant term.
Upon substituting our given values in discriminant formula, we will get,
The interpretations for the value of D are as follows:
Since the value of D is equal to 0 for our given equation, therefore, our given equation will have two real and equal roots or solutions.
Ответ:
4x^2-32x+64 = 0,
divide by 4:
x^2 -8x + 16 = 0
apply formula or see that it is (x-4)^2!, so only x =4 is a root and it is double.
Ответ:
where n is the number of sides