What is the vertex of y=−3x2−2x−(x+2)2?
2 Answers
May 11, 2017
The vertex is at
Explanation:
Expand the polynomial:
Combine like terms:
Factor out
Complete the square:
From vertex form, the vertex is at
May 11, 2017
Vertex:
Explanation:
1) Rewrite this equation in standard form
2) Rewrite this equation in vertex form by completing the square
The vertex form is
Vertex:
You can see this if you graph the equation
graph{y=-4x^2-6x-4 [-3, 2, -7, 0.1]}