SOLUTION: Rewrite in the vertex form. y=x2-8x+13

Algebra ->  Rectangles -> SOLUTION: Rewrite in the vertex form. y=x2-8x+13      Log On


   

Question 635849: Rewrite in the vertex form.
y=x2-8x+13
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!
y+=+x%5E2+-+8x+%2B+3
The vertex form of a parabola's equation is generally expressed as :
y=+a%28x-h%29%5E2%2Bk+


y+=+%28x%5E2+-8x+%2B+16%29+%2B+%283+-+16%29 (complete the square)
y+=+%28x+-+4%29%5E2-13 ......the vertex form
the vertex is (h=4, k=-13)

+graph%28+600%2C+600%2C+-15%2C+15%2C+-15%2C+15%2C+x%5E2+-+8x+%2B+3%29+