SOLUTION: i really need help with this. i thought to have an equation in vertex form and to find the vertex you had to have a y variable but in this equation there is no y. Please help me it

Algebra ->  Complex Numbers Imaginary Numbers Solvers and Lesson -> SOLUTION: i really need help with this. i thought to have an equation in vertex form and to find the vertex you had to have a y variable but in this equation there is no y. Please help me it      Log On


   

Question 172686: i really need help with this. i thought to have an equation in vertex form and to find the vertex you had to have a y variable but in this equation there is no y. Please help me it will be much appreciated.

Write the quadratic function in vertex form. Then, identify the vertex.
x^2-8x+11=0
Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
x%5E2-8x%2B16-16%2B11=0completing the square
%28x-4%29%5E2-5=0factoring
y=%28x-4%29%5E2-5 vertex is at(4,-5)