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Vincen
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In the xy-plane, points A, B and C are not on the same line. Is the slope of line BC negative?
(1) The slope of line AB is -1.
(2) The measure of angle ABC is 37 degrees.
C is the Official Answer.
How should I analyze this DS question?
(1) The slope of line AB is -1.
(2) The measure of angle ABC is 37 degrees.
C is the Official Answer.
How should I analyze this DS question?












