How do you write #-2x^2+2x-5# in vertex form and identify the vertex, y intercept and x intercept?
1 Answer
May 25, 2015
The vertex form of a parabola is
Given
Extract the
Complete the square
which is in vertex form
with the vertex at
The y-intercept is the value of
The x-intercepts are the values of
or, more easily (using the vertex form),