Find vertex and intercepts for the equation and sketch a graph
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
https://brainmass.com/math/algebra/find-vertex-and-intercepts-for-the-equation-and-sketch-a-graph-4588
Solution Preview
y=x^2-4x-12
Vertex:
Use formula x=-b/(2a) for x-coordinate of y=ax^2+bx+c
In our case
a=1
b=-4
c=-12
So x=4/2=2 is the x-coordinate of the vertex
y=2^2-4*2-12=-16 ...
Solution Summary
The vertex and intercepts for an equation are found and a graph is sketched.
$2.19