Question 1171581
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<pre>

Complete the square

    y = x^2 - 14x = (x^2 - 14x + 49) - 49 = (x-7)^2 - 49.


So, the vertex form is 

    y = (x-7)^2 - 49.


Coordinates of the vertex are x= 7, y= -49.     <U>ANSWER</U>
</pre>

Solved.


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On completing the square see the lesson

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=https://www.algebra.com/algebra/homework/quadratic/lessons/Learning-by-examples-on-HOW-TO-complete-the-square.lesson>HOW TO complete the square - Learning by examples</A> 

in this site.


On finding the vertex of a parabola, see the lessons

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=https://www.algebra.com/algebra/homework/quadratic/lessons/HOW-TO-complete-the-square-to-find-the-vertex-of-a-quadratic-function.lesson>HOW TO complete the square to find the vertex of a parabola</A>

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=https://www.algebra.com/algebra/homework/quadratic/lessons/Briefly-on-finding-the-vertex-of-a-parabola.lesson>Briefly on finding the vertex of a parabola</A>

in this site.