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amandanunnery33
23.06.2019 •
Mathematics
Classify the quadratic equation based on the number of solutions
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Ответ:
The given equation is
We rewrite in the form,
This implies that,
We can use the determinant to find the number of solutions without necessarily solving the equation.
Since the determinant is negative the equation
has no solution.
QUESTION 2
The given equation is
Since the determinant is positive, the equation
has two solutions.
QUESTION 3
The given equation is
This implies that,
The determinant is
Since the determinant is negative, the equation
has no solution.
QUESTION 4
The given equation is
We rewrite to obtain,
The determinant is
Since the determinant is positive the equation
has two solutions.
QUESTION 5
The given equation is
We rewrite to obtain,
We substitute in the determinant formula to obtain,
.
Since the determinant is zero the equation
has only one root.
Ответ:
the first one is volume the second one is density
Step-by-step explanation:I took the test