- #1
Miike012
- 1,009
- 0
Problem: -x^2 + 4x
- ( x^2 - 4x + (4/2)^2 ) - 4
= - (x - 2) - 4
Vertex is at (2, -4)
but the vertex is obviously at (2,4)...
what did I do wrong.
- ( x^2 - 4x + (4/2)^2 ) - 4
= - (x - 2) - 4
Vertex is at (2, -4)
but the vertex is obviously at (2,4)...
what did I do wrong.