What is the vertex of the graph of #y=x^2+3x-4#?
1 Answer
Oct 15, 2014
This specific parabola should be transformed into the form
To do that, we need to perform Completing the Square on
Remember that
For this problem, we have
Hence, for
However, we want both sides of the equation to remain equal, so we substract the same value again
Simplifying, we have
The parabola's vertex is at