SOLUTION: y=x²-4x+9

Algebra ->  Graphs -> SOLUTION: y=x²-4x+9      Log On


   



Question 633828: y=x²-4x+9
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 
Hi,
y = x^2 - 4x + 9 |parabola, Pt(0,9) on the graph
y = (x-2)^2 - 4 + 9 |completing Square to put in vertex form
y = (x-2)^2 + 5 | V(2,5), 1>0 Opens Upward. Line of symmetry x = 2
Sketch