+0

# Vertex

+2
371
3
+102

I've heard that in the quadratic form of $$ax^2 + bx + c$$$$\frac{-b}{2a}$$ is the vertex of the parabola. Can somebody explain why that works? Thanks!

AnxiousLlama

May 12, 2021

#1
+137
+3

I found these articles that helped me understand your question. I hope they will help you, too.

https://www.purplemath.com/modules/sqrvertx2.htm

May 12, 2021
#2
+33266
+5

As follows:

May 12, 2021
#3
+137
+1

Brilliant!

HighSchoolDx  May 12, 2021