Posted by **Jamie** on Sunday, September 10, 2006 at 3:47pm.

How do you get the vertex of this absolute value?

y = -2 |4x - 1| + 16

By vertex you mean the highest point.

Find out where the expression inside the absolute value is 0. Since the absolute value is always positive, in this expression some quantity is being subtracted from 16. Find the minimum value for that quantity to answer the question.

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