How do you find the x and y intercepts for f(x) = -x^2 + 6x + 8?
1 Answer
Apr 26, 2017
Explanation:
Given:
The use of the term
So
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Observe that
so we can write:
The x-intercept is at
Set
Thus for this condition
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
When the equation is in form
You obtain this value by substituting