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johnny2585
15.11.2019 •
Mathematics
Find the general solution of x1? = x1 ? 2x2, x2? = 2x1 x2 using the eigenvalue method. do not use complex exponentials in your solution.
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Ответ:
The coefficient matrix has eigenvalues
Ответ:
vertex form is f(x) = ( x-1)² + 3.
Step-by-step explanation:
Given : f(x) = 4 + x² – 2x.
To find : Which function in vertex form is equivalent to f(x) = 4 + x² – 2x.
Solution : We have given that f(x) = 4 + x² – 2x.
Rearrange in function : f(x) = x² – 2x + 4.
Vertex form of y = a(x-h)²+k .
Now, add and subtract (-1)² in f(x) .
f(x) = x² – 2x + 4 + (-1)²- (-1)².
By Squaring formula : (x +a)²= x²+ a²+2ax .
We can write x² – 2x + (-1)²- (-1)² +4 as ( x-1)²- (-1)² +4.
f(x) = ( x-1)²- (-1)² +4.
Now , completing square ,
f(x) = ( x-1)²- 1 +4.
f(x) = ( x-1)² + 3.
Therefore , vertex form is f(x) = ( x-1)² + 3.