SOLUTION: write the quadratic equation in vertex form. Give the coordinates of the vertex and the equation of the axis of symmetry y=x^2-14x-5.

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: write the quadratic equation in vertex form. Give the coordinates of the vertex and the equation of the axis of symmetry y=x^2-14x-5.      Log On


   

Question 50815: write the quadratic equation in vertex form. Give the coordinates of the vertex and the equation of the axis of symmetry y=x^2-14x-5.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Give the coordinates of the vertex and the equation of the axis of symmetry y=x^2-14x-5.
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Rewrite as:
x^2-14x+?=y+5+?
Complete the square:
x^2-14x+49 = y+5+49
(x-7)^2=y+54
Vertex is at (7,-54)
Axis of symmetry is x=7
Cheers,
Stan H.