How do you write #f(x)= -2x^2+20x-49# in vertex form?
Standard Form equation:
Vertex Form equation:
In order to convert it, let's first fill in what we know. The
So, we have:
In order to find the vertex, you must use the equation
Looking at the standard form equation,
So plugging in, you get
Once solved, you're x value of your vertex is 5. Now, you plug 5 into your original standard form equation.
Finally, your vertex is:
Finally, plug it into your equation.