Hi reto,
Looking at the answer choices, we can see that two of them are the equations for diagonal lines (Answers C and E). Since the drawing has just 1 diagonal line in it, one of these two equations IS the equation for that diagonal line while the other is NOT.
Based on the graph, we can see two obvious points on that line: (0,2) and (2,0). We can check these two points against the two equations. If either point does NOT fit the given equation, then that equation does not fit the drawing (and is the correct answer to this question).
When X = 2 is entered into Answer C, the result is 2-4 = -2; this is NOT a match (it's supposed to be 0)
When X = 2 is entered into Answer E, the result is 2-2 = 0; this IS a match.
Thus, the answer that is NOT in the drawing is....
Final Answer:
GMAT assassins aren't born, they're made,
Rich
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