To draw the graph of



1.  The graph is always a V-shaped graph, either
an upright V or an upside-down V. It will be right-side
up if A, the coefficient, written or understood, of the 
absolute value is positive and upside-down if it is 
negative.

2. Find the x-coordinate of the vertex (the "sharp point" 
of the V) by setting the expression within the absolute 
value bars, .

3. The y-coordinate of the vertex is D. 

4. Find two other points, one on each side of the vertex.

5. Draw the graph.

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For your problem:



1.  The graph is an upside-down V since  is negative.

2.  , so  is the x-coordinate of
the vertex. (sharp point of the upside down V).

3,  The y-coordinate of the vertex is -3, so the vertex is (-4,-3).

4.  Substituting  and  in 
both give y=-7. So two other points are (-5,-7) and (-3,7).

5.


    
Edwin