SOLUTION: What are the coordinates of the vertex of the graph of f(x)=2|x|+4?
Algebra.Com
Question 996593: What are the coordinates of the vertex of the graph of f(x)=2|x|+4?
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
1. Set what's between the absolute value bars =
That's the x-coordinate of the vertex.
2. Substitute that in the equation to find the y-coordinate
of the vertex:
(Shortcut for this step: the y-coordinate of the vertex is
just the number that's added to the absolute value term, in this
case , because when you substitute the x-coordinate the
absolute value term will always be )
3. The vertex is (,)
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