SOLUTION: Graph of the parabola y= 1/2x - 2x - 1 If the graph of the parabola is moved up 3 units what would the coordinates of its vertex be?

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: Graph of the parabola y= 1/2x - 2x - 1 If the graph of the parabola is moved up 3 units what would the coordinates of its vertex be?       Log On


   

Question 181602: Graph of the parabola y= 1/2x - 2x - 1
If the graph of the parabola is moved up 3 units what would the coordinates of its vertex be?
Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
I assume the 1/2x is really 1/2x^2
:
y=%281%2F2%29%28x%5E2-4x%2B4%29-1-2
:
y=%281%2F2%29%28x-2%29%5E2-3
:
so vertex is currently at (2,-3)
:
if its moved up 3 units the vertex would be at (2,0)
:
graph%28300%2C300%2C-10%2C10%2C-10%2C10%2C%281%2F2%29x%5E2-2x-1%29