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Find vertex and intercepts for the equation and sketch a graph

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Find the vertex and intercepts for the Quadratic function, and sketch its graph, SHOW ALL THE STEPS IN SOLVING THE PROBLEM.
y = x^2 -4x -12

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Solution Summary

The vertex and intercepts for an equation are found and a graph is sketched.

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Use formula x=-b/(2a) for x-coordinate of y=ax^2+bx+c
In our case
So x=4/2=2 is the x-coordinate of the vertex
y=2^2-4*2-12=-16 ...

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