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SAT® Math

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The Product of Two Constants

SATMAT-SVEYDK

In the figure above, line $ l $ passes through the point $ \left( 0,0 \right) $ and the two points indicated in the graph. What is the value of the product $ ab $, where $ a $ and $ b $ are constants?

A

$ -\cfrac { 1 }{ 2 } $

B

$ \cfrac { 1 }{ 2 } $

C

$ -2 $

D

$ 2 $